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Truck Weight Limit Enforcement Technology Applicable to NAFTA Traffic Along the Texas-Mexico Border

1.

1999 ... Kristin Marie Belfield, Nabil Souny-Slitine, and Clyde Lee Effective truck weight enforcement has become a critical issue as a result of the continual increase in the number of trucks on U.S. and Texas roads, as well as the impending truck-traffic-related provisions of NAFTA. These provisions will enable less restricted trade

1999-167209-1 [CTR] ... SWUTC-99-167209-1

Full-text Link:
http://swutc.tamu.edu/publications/technicalreports/167209-1.pdf

______________________________________________________________________________________________________

Truck Monitoring and Warning Systems for Freeway-To-Freeway Connections

2.

1999 ... Clyde E. Lee, Darrell W. Borchardt, and Qiyue Fei This project focuses on the development and evaluation of a Truck Monitoring and Warning (TM&W) system for detecting high, long, fast trucks at freeway-to-freeway connections and activating displays to warn the truck drivers of potential hazards as their vehicles approach

2915-S [CTR] ... TX/00-2915-S ... Project Summary Report

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/2915_S.pdf

______________________________________________________________________________________________________

Truck Monitoring and Warning Systems for Freeway-to-Freeway Connections

3.

1999 ... Clyde E. Lee, Darrell W. Borchardt and Qiyue Fei This research focuses on the development and evaluation of a truck monitoring and warning (TM&W) system for detecting high, long, fast trucks at freeway-to-freeway connections and activating displays to warn the truck drivers of potential hazards as their vehicles approach

2915-1 [CTR] ... TX-00/7-2915-1

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/2915_1.pdf

______________________________________________________________________________________________________

Interactive Graphics Intersection Design System (IGIDS)

4.

1998 ... by Thomas W. Rioux [and three others] The Interactive Graphics Intersection Design System (IGIDS), a software package that operates on personal computers and workstations, has been developed to assist engineers in the analysis and design of isolated, at-grade intersections. This report serves as the project's final summary

1291-S [CTR] ... FHWA/TX-98/1291-S ... Project Summary Report, 0-1291

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase2/1291-s.pdf
0.98 MB
______________________________________________________________________________________________________

Interactive Graphics Intersection Design System (IGIDS) : Research Report

5.

1998 ... by Thomas W. Rioux [and three others] The Interactive Graphics Intersection Design System (IGIDS), a software package that operates on personal computers and workstations, has been developed to assist engineers in the analysis and design of isolated, at-grade intersections. In addition to documenting the development of this

1291-2 [CTR] ... FHWA/TX-98/ 1291-2

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase1/1291-2.pdf

______________________________________________________________________________________________________

Interactive Graphics Intersection Design System (IGIDS) Training Manual

6.

1998 ... by Thomas W. Rioux, Robert F. Inman, Randy B. Machemehl and Clyde E. Lee The Interactive Graphics Intersection Design System (IGIDS), a software package that operates on personal computers and workstations, has been developed to assist engineers in the analysis and design of isolated, at-grade intersections. This report

1291-1 [CTR] ... FHWA/TX-98/ 1291-1

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase1/1291-1.pdf
1.7 MB
______________________________________________________________________________________________________

Final Research Findings on Traffic-Load Forecasting Using Weigh-in-Motion Data

7.

1998 ... Clyde E. Lee and Nabil Souny-Slitine The overall objective of Project 7-987 was to develop a long-range pavement rehabilitation plan for a segment of US 59, a four-lane divided principal arterial highway in TxDOT's Lufkin District. To identify feasible pavement structures, test sections that would utilize most efficiently the

987-7 [CTR] ... TX-98/987-7

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/987_7.pdf
189 KB
______________________________________________________________________________________________________

Pavement Management and Monitoring of Traffic and Pavements

8.

1998 ... [various authors] CONTENTS: Analysis of Pavement Management Activities Programming by Genetic Algorithms / T. F. Fwa, W. T. Chan and K. Z. Hoque -- Effect of Noisy Data on Pavement Performance Prediction by Artificial Neural Networks / A. Raja Shekharan -- Pavement Deterioration, Rate of Dynamic Force, and

TRR 1643 ... TRR 1643 ... Transportation Research Record (TRR), 1643

Full-text Link:
Ask librarian for assistance.
______________________________________________________________________________________________________

Fuel Savings from Free U-Turn Lanes at Diamond Interchanges

9.

1997 ... Lideana Laboy-Rodriguez, Clyde E. Lee and Randy B. Machemehl The vehicle emission simulation feature of the TEXAS (Traffic Experimental Analytical Simulation) Model for Intersection Traffic in its Version 3.2 was used to demonstrate the potential fuel savings that can be realized from the provision of free u-turn lanes at

1997-467301-1 [CTR] ... SWUTC/97/467301-1

Full-text Link:
http://swutc.tamu.edu/publications/technicalreports/467301-1.pdf
2.3 MB
______________________________________________________________________________________________________

Traffic-Load Forecasting Using Weigh-In Motion Data

10.

1997 ... Tongbin Qu, Clyde E. Lee, and Liren Huang Vehicular traffic loading is a crucial consideration for the design and maintenance of pavements. With the help of weigh-in-motion (WIM) systems, the information about date, time, speed, lane of travel, lateral lane position, axle spacing, and wheel load for each vehicle passing a WIM

987-6 [CTR] ... TX-99/987-6

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/987_6.pdf
725 KB
______________________________________________________________________________________________________

Transportation Issues and the US-Mexico Free Trade Agreement

11.

1997 ... by Robert Harrison [and three others] Eight reports were produced during the four-year duration of Project 0-1319. These reports are summarized below into three areas comprising policy issues, weigh-in-motion studies, and trade transportation forecasting research. | Policy Research: The first study examined the

1319-6 F [CTR] ... FHWA/TX-97/1319-6F

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase2/1319-6f.pdf
831 KB
______________________________________________________________________________________________________

Truck Traffic Characteristics at the Laredo and El Paso, Texas-Mexico Border

12.

1997 ... Derrick Matthew King and Clyde E. Lee A large percentage of truck traffic that crosses the Texas-Mexico border passes through the ports of entry at Laredo and El Paso. To obtain statistical data about the number of types of border-crossing trucks at these ports, and specifically their axle loads, a weigh-in-motion (WIM) system

1319-5 [CTR] ... FHWA/TX-97/1319-5

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase2/1319-5.pdf
1.31 MB
______________________________________________________________________________________________________

Collection and Analysis of Augmented Weigh-In-Motion Data

13.

1996 ... Clyde E. Lee and Joseph E. Garner Traffic loading data are essential for the planning and design of adequate and cost-effective highway pavements. Data from an augmented weigh-in-motion (WIM) system have been collected and analyzed. The augmented WIM systems, which comprise bending-plate weighpads, infrared

987-8 [CTR] ... TX-99/987-8

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/987_8.pdf
284 KB
______________________________________________________________________________________________________

Heavy Vehicle Characteristics at the Laredo and El Paso Ports of Entry

14.

1996 ... by Luis Alberto Sanchez-Ruiz and Clyde E. Lee Truck traffic moving through Laredo and El Paso, Texas, includes a large portion of the total number of heavy vehicles entering Texas from Mexico. These trucks have considerable impact on the transportation infrastructure in Texas and other states, and the additional traffic that will

1319-3 [CTR] ... FHWA/TX-97/1319-3

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase1/1319-3.pdf
1.7 MB
______________________________________________________________________________________________________

Preliminary Research Findings on Traffic-Load Forecasting Using Weigh-in-Motion Data

15.

1996 ... Clyde E. Lee and Jeffrey W. Pangburn In order to forecast highway pavement performance and to design adequate pavement structures, detailed traffic loading information is essential. Traffic data collected by two unique weigh-in-motion (WIM) systems located in the southbound lanes of US 59 in east Texas have been analyzed

987-5 [CTR] ... 7-987-5

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase2/987-5.pdf
1.88 MB
______________________________________________________________________________________________________

Pavement-Vehicle Interaction and Traffic Monitoring

16.

1995 ... [various authors] This volume contains 10 papers, most of which were presented at the 1995 TRB Annual Meeting during two sessions sponsored by the Committee on Surface Properties-Vehicle Interaction and the Committee on Highway Traffic Monitoring. CONTENTS: Includes: "Augmented Weigh-in-Motion System for Traffic

TRR 1501 ... TRR 1501 ... Transportation Research Record (TRR), 1501

Full-text Link:
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______________________________________________________________________________________________________

Montana Avenue Feasibility Study

17.

1995 ... Randy B. Machemehl [and four others] The Montana Corridor from near the El Paso central business district east to Loop 375 is a major urban area transportation system element. Growth along the middle to eastern corridor end will likely create increased future demands. Improvements to transportation system elements within

1942-1 F [CTR] ... TX-95+1942-1F

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase2/1942-1f.pdf
3.18 MB
______________________________________________________________________________________________________

Measurement and Analysis of Traffic Loads across the Texas-Mexico Border

18.

1995 ... Joseph Paul Leidy, Clyde E. Lee and Robert Harrison Axle load and gross-vehicle weight characteristics of Mexican-origin commercial trucks processed through the U.S. Customs yard in the City of Laredo, Texas, are described in this report. Investigation of these characteristics particular to Mexican-origin trucks is directed by a

1319-1 [CTR] ... FHWA/TX-95+1319-1

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase2/1319-1.pdf
2.91 MB
______________________________________________________________________________________________________

Interactive Graphics Intersection Design User's Manual

19.

1994 ... Thomas W. Rioux, Robert F. Inman, Randy B. Machemehl and Clyde E. Lee The Interactive Graphics Intersection Design System (IGIDS) has been developed at the Center for Transportation Research at The University of Texas at Austin in cooperation with the Texas Department of Transportation and the Federal Highway

1308-1 [CTR] ... FHWA/TX-95+1308-1F

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase2/1308-1f.pdf
3.50 MB
______________________________________________________________________________________________________

Texas Model for Intersection Traffic Version 3.0 Documentation (Updated for Version 3.20)

20.

1993 ... Clyde E. Lee, Randy B. Machemehl, Thomas W. Rioux and Robert F. Inman The TEXAS Model for Intersection Traffic is a powerful computer simulation tool which allows the user to evaluate in detail the complex interaction among individually-characterized driver-vehicle units as they operate in a defined intersection

Lee 1993

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/TXModelV3_2_1993.pdf
14.9 MB
______________________________________________________________________________________________________

Texas Model for Intersection Traffic : Additional Features

21.

1993 ... Thomas W. Rioux, Robert F. Inman and Randy B. Machemehl, Clyde E. Lee The TEXAS Model for Intersection Traffic has been revised and released as Version 3.2. The new Version 3.2 provides nine new features, including: separate diamond interchange u-turn lanes, exact percentages of generated driver-vehicle units, sight-

1258-1 [CTR] ... FHWA/TX-93+1258-1F

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase1/1258-1f.pdf
1.1 MB
______________________________________________________________________________________________________

Effects of Work Zone Detours on Rural Highway Traffic Operations

22.

1993 ... by Clyde E. Lee and Safry Kamal Ahmad In this study an evaluation of the effects of traffic operations at two workzone sites along a 4-1ane divided rural highway was carried out using infrared reflex beam sensors and retro-reflectors mounted just off the pavement shoulders. Traffic studies about vehicle volume and the

987-2 [CTR] ... Report 7-987-2

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase1/987-2-TxDOT.pdf
5.83 MB
______________________________________________________________________________________________________

Design Guidelines and Other Considerations for Strategic Arterial Streets

23.

1991 ... Theunis J. Kruger [and three others] The overall objective of Study 1107 is to discover an alternative means of increasing the supply of high-quality traffic service in urban areas. Urban freeways have, for a variety of reasons, become overloaded and difficult to augment. A plausible alternative is to improve the quality and scope of

1107-4 [CTR] ... 0-1107-4

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase1/1107-4-TxDOT.pdf
5.81 MB
______________________________________________________________________________________________________

Texas Model Version 3.0 Documentation

24.

1991 ... Clyde E. Lee [and three others] The TEXAS Model for Intersection Traffic is a powerful computer simulation tool which allows the user to evaluate in detail the complex interaction among individually-characterized driver-vehicle units as they operate in a defined intersection environment under a specified type of traffic control.

Lee 1991

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/TXModelV3_0_1991.pdf
14.4 MB
______________________________________________________________________________________________________

Infrared Sensors for Counting, Classifying, and Weighing Vehicles

25.

1990 ... Joseph E. Garner, Clyde E. Lee, and Liren Huang In this study, five field tests were conducted to determine the feasibility of using commercially-available infrared light-beam sensors for counting, classifying, and perhaps weighing vehicles. It was demonstrated that a single, reflex-type infrared sensor mounted just off the

1162-1 F [CTR] ... 0-1162-1F

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase1/1162-1f-ctr.pdf
2.9 MB
______________________________________________________________________________________________________

Auxiliary Turning Lanes at Urban Intersections

26.

1990 ... Christopher T. Marcus, Randy B. Machemehl and Clyde E. Lee The capacity of an intersection is affected significantly by the relative proportion of straight-through and turning vehicles in each approaching lane. In many situations -- particularly at signalized intersections -- traffic through put on an approach can be increased

1111-1 F [CTR] ... FHWA/TX-91+1111-1F

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase1/1111-1f-TxDOT.pdf
3.59 MB
______________________________________________________________________________________________________

Texas Model Version 3.0 (Diamond Interchanges)

27.

1989 ... Clyde E. Lee, Randy B. Machemehl and Wiley M. Sanders The Texas Model for Intersection Traffic has been revised and released as Version 3.0. The new Version 3.0 provides the capability of performing detailed computer simulation of diamond interchanges as well as single intersections. Traffic control choices for actuated

443-1 F [CTR] ... Report 0-443-1F

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase2/443-1f.pdf
5.25 MB
______________________________________________________________________________________________________

Utilization of Consultants by the State Department of Highways and Public Transportation

28.

1987 ... William V. Ward, Clyde E. Lee, and Christopher M. Bradley Traditionally, the State Department of Highways and Public Transportation (SDHPT) has, with few exceptions since it was established in 1917, always employed a sufficient number of qualified in-house personnel to provide the planning and engineering services

1101-1 F [CTR] ... Report 0-1101-1F

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase2/1101-1f.pdf
2.86 MB
______________________________________________________________________________________________________

TEXAS Model for Intersection Traffic. Installation Instructions and Primer

29.

[1987] ... [Clyde Lee] "This pamphlet has been prepared as a supplement to the user's guide and provides important instructions for installation and use of the TEXAS Model for Intersection Traffic. This document is composed of four sections which address (1) installation of the system on micro-computers equipped with fixed

1133-1 [CTR] ... 0-1133-1F vol.1; 0-361-1 suppl.

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase3/1133-1-ctr.pdf
435 KB
______________________________________________________________________________________________________

Realistic Pavement Serviceability Equations Using the 690D Surface Dynamics Profilers

30.

1985 ... Sukumar K. Nair, W. Ronald Hudson, Clyde E. Lee The importance of pavement roughness as the major input to the serviceability of pavements has been previously demonstrated. This research study is related to the Serviceability-Performance (S-P) concept that was developed at the AASHO Road Test by Carey and Irick. The

354-1 F [CTR] ... REport 0-354-1F

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase2/354-1F-CTR.pdf
4.5 MB
______________________________________________________________________________________________________

Performance of the Analog and the Digital Profilometer with Wheels and with Non-Contact Transducers

31.

1985 ... German Claros, W. Ronald Hudson and Clyde E. Lee This report describes a correlation study between an analog GM profilometer (the old profilometer) and a digital GM profilometer model 690D (the new profilometer). This correlation is very important because it provides the information necessary to make a smooth transition

251-3 F [CTR] ... FHWA/TX-86/19+251-3F

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase1/251-3F-CTR.pdf
4.6 MB
______________________________________________________________________________________________________

User-Friendly TEXAS Model : Guide to Data Entry

32.

1985 ... Clyde E. Lee, Robert F. Inman, and Wiley M. Sanders Two interactive data-entry programs have been incorporated into the TEXAS Model for Intersection Traffic to produce the User-Friendly TEXAS Model. Now, a user, working through an alphanumeric terminal connected in an interactive time-sharing mode to a mainframe computer

361-1 F [CTR] ... Report 0-361-1F

Full-text Link:
http://library.ctr.utexas.edu/pdf2/361-1F.pdf
8 MB
______________________________________________________________________________________________________

Demonstration of Weigh-in-Motion Systems for Data Collection and Enforcement

33.

1985 ... Clyde E. Lee, Bahman Izadmehr, and Randy B. Machemehl In a series of data-taking sessions, over 800 trucks selected from the traffic stream on IH-10 near Sequin, Texas, were weighed in motion by a WIM system at three different speeds and then statically by three different axle-load scales and by three different sets of wheel-

557-1 [CTR] ... FHWA/TX-86/ 77+557-1F; Report 9-557-1F

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase1/557-1F-CTR.pdf
14.4 MB
______________________________________________________________________________________________________

Traffic Capacity and Characteristics

34.

1984 ... [various authors] CONTENTS: Simulation of Traffic Performance, Vehicle Emissions, and Fuel Consumption at Intersections: the Texas-II Model -- Lee, Clyde E.; Lee, Fong-Ping -- Level of Service Concepts: Development, Philosophies, and Implications -- Roess, Roger P. -- Passenger Car Equivalents for Uninterrupted

TRR 971 ... TRR 971 ... Transportation Research Record (TRR), 971

Full-text Link:
Ask librarian for assistance.
______________________________________________________________________________________________________

Guidelines for Use of Left-Turn Lanes and Signal Phases

35.

1984 ... Han-Jei Lin [and three others] At signalized intersections, the common treatment for improving left-turn performance is to increase left-turn capacity by installing a left-turn bay or a separate left-turn phase. However, in a given traffic condition and geometric configuration, there have been no universal guidelines for ascertaining the

258-1 [CTR] ... FHWA/TX-84/07+258-1

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase2/258-1-CTR.pdf
4.2 MB
______________________________________________________________________________________________________

Simulation of Vehicle Emissions at Intersections

36.

1983 ... Fong-Ping Lee [and three others] High concentrations of vehicular emissions at road intersections are a health-related issue of concern, and the associated fuel consumption is a matter of continuing economic interest. For this study, a computer simulation model called TEXAS-II was developed at the Center for Transportation Research

250-1 [CTR] ... FHWA/TX-84/17+250-1

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase1/250-1-CTR.pdf
14.1 MB
______________________________________________________________________________________________________

Adding Signals to Coordinated Traffic Signal Systems

37.

1983 ... Clyde E. Lee and Randy B. Machemehl The purpose of this research was to investigate the effect of adding or removing traffic signals within a coordinated, signal-controlled street network. The report includes a discussion of coordinated signal systems; arterial street network configurations; optimization of signal settings for

260-1 F [CTR] ... FHWA/TX-84/23+260-1F

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase2/260-1F-DHT.pdf
2.9 MB
______________________________________________________________________________________________________

Detector Configuration and Location at Signalized Intersections

38.

1983 ... C.S. Wu, Randy B. Machemehl and Clyde E. Lee The number and location of detectors on intersection approaches with actuated signal controllers and high traffic approach speeds has been studied by a variety of researchers. The relationship of detector activity to amber signal internals and the presence of dilemma zones has

259-1 F [CTR] ... FHWA/TX-82/48+259-1F

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase2/259-1F-CTR.pdf
6.0 MB
______________________________________________________________________________________________________

Lateral Placement of Trucks in Highway Lanes

39.

1983 ... Clyde E. Lee, P.R. Shankar, Bahman Izadmehr Two objectives are addressed in this study: (1) to develop a practical technique for estimating the patterns of cumulative traffic loading in each lane of multilane highways, and (2) to define representative frequency distributions of truck wheel placement within highway traffic

310-1 F [CTR] ... FHWA/TX-84/33+310-1F

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase2/310-1F-CTR.pdf
4.5 MB
______________________________________________________________________________________________________

Evaluation of the Dynamic Arterial-Responsive Traffic System (DARTS) : Summary Report

40.

1982 ... Clyde E. Lee A means for coordinating the timing of traffic-actuated signal controllers at intersections along an arterial route is needed so that progressive movement can be provided when justified, but so that normal functioning of the local controller will not be affected during those periods of time when progression for arterial

243-1 F(S) [CTR] ... 0-243-1 Summary Report ... Summary Report (Center for Transportation Research), 243-

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase2/243-1F-summary-CTR.pdf
213 KB
______________________________________________________________________________________________________

Evaluation of the Dynamic Arterial-Responsive Traffic System (DARTS)

41.

1982 ... Clyde E. Lee DARTS is an auxiliary solid-state electronic timing and switching device which can be connected directly to any modern (NEMA Standards) full-actuated traffic signal controller for the purpose of coordinating the timing of pairs of such controllers at adjacent intersections in such a way that progressive

243-1 [CTR] ... FHWA/TX-82/25+243-1F

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase2/243-1F-CTR.pdf
1.9 MB
______________________________________________________________________________________________________

Use of Road Profile Statistics for Maysmeter Calibration : Summary of Research Report 251-1

42.

1982 ... David W. McKenzie, W. Ronald Hudson and C.E. Lee Research Report 251-1 is the first report presenting results from Research Project 3-8-79-251, "Deployment of a Digital Road Profilometer." The study has two primary objectives: (1) to provide continuing support to the Texas State Department of Highways and Public

251-1(S) [CTR] ... 251-1 Summary ... Summary Report (Center for Transportation Research), 251-1

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase2/251-1-summary-CTR.pdf
345 KB
______________________________________________________________________________________________________

The Use of Road Profile Statistics for Maysmeter Calibration

43.

1982 ... David W. McKenzie, W. Ronald Hudson, and Clyde E. Lee The use of profile statistics from designated road sections has proved to be an effective method of Maysmeter calibration. For best results, the statistic used must be tailored so that it quantifies what Maysmeters, as a class, actually measure regardless of the intended use

251-1 [CTR] ... FHWA/TX-82/26+251-1

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase2/251-1-CTR.pdf
3.2 MB
______________________________________________________________________________________________________

Texas Traffic Data Acquisition Program

44.

1980 ... Han-Jei Lin, Clyde E. Lee and Randy B. Machemehl An overall analysis of traffic data acquisition and distribution processes and techniques as performed by the Transportation Planning Division (D-10) of the State Department of Highways and Public Transportation is presented in this report. An assessment of needs for traffic

245-1 F [CTR] ... 0-245-1F

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase1/245-1F-CTR.pdf
2.36 MB
______________________________________________________________________________________________________

Annual Report September 1, 1978 - August 31, 1979 : Improving Highway Transportation through Research and Education

45.

1979 ... The Center for Highway Research; Clyde E. Lee, director The Center for Highway Research, an administrative unit of the College of Engineering, begun in 1963, coordinates and administers a comprehensive research program aimed at improving highway transportation through education and research. Its major functions

CFHR Annual 1978/79 [CTR]

Full-text Link:
No online resource supplied by publisher
______________________________________________________________________________________________________

Roughness at the Pavement-Bridge Interface

46.

1979 ... Yi-Chin Hu [and three others] Road surface roughness in the proximity of the pavementbridge interface may lower riding quality and induce excessive dynamic wheel loads on highway structures. Twenty-one bridge sites in four Texas State Department of Highways and Public Transportation Districts, Lubbock, Houston,

213-1 F [CTR] ... 0-213-1F

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase2/213-1F-CHR.pdf
5.8 MB
______________________________________________________________________________________________________

Application of the Texas model for Analysis of Intersection Capacity and Evaluation of Traffic Control Warrants

47.

1978 ... Clyde E. Lee, Vivek Savur and Glenn Grayson The TEXAS Model for Intersection Traffic is a microscopic simulation package describing the behavior of individual driver-vehicle units at isolated intersections. This report deals with two applications of this model, namely determining the capacity of an intersection and

184-4 [CTR] ... CFHR 3-18-72-184-4F; 0-184-4 F

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase1/184-4F-CHR.pdf
2.5 MB
______________________________________________________________________________________________________

Annual Report September 1, 1976 - August 31, 1977 : Improving Highway Transportation through Research and Education

48.

1977 ... The Center for Highway Research; Clyde E. Lee, director The Center for Highway Research, an administrative unit of the College of Engineering, begun in 1963, coordinates and administers a comprehensive research program aimed at improving highway transportation through education and research. Its major functions

CFHR Annual 1976/77 [CTR]

Full-text Link:
No online resource supplied by publisher
______________________________________________________________________________________________________

The Texas Model for Intersection Traffic : User's Guide

49.

1977 ... Clyde E. Lee [and five others] The Center for Highway Research at the University of Texas at Austin in cooperation with the State Department of Highways and Public Transportation and the Federal Highway Administration has developed a new microscopic traffic simulation package called the TEXAS Model for Intersection

184-3 [CTR] ... CFHR 3-18-72-184-3; 0-184-3

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase1/184-3-CHR.pdf
2.2 MB
______________________________________________________________________________________________________

The Texas Model for Intersection Traffic : Programmer's Guide

50.

1977 ... Clyde E. Lee [and three others] The TEXAS Model of Intersection Traffic is a new microscopic traffic simulation package which can be used as a tool in evaluating the operational effects of various traffic demands, types of traffic control, and/or geometric configurations at isolated intersections. | This report is a complement to

184-2 [CTR] ... CFHR 3-18-72-184-2; 0-184-2

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase1/184-2-CHR.pdf
15.1 MB
______________________________________________________________________________________________________

The Texas Model for Intersection Traffic : Development

51.

1977 ... Clyde E. Lee, Thomas W. Rioux and Charlie R. Copeland A new microscopic traffic simulation package, called the TEXAS model, which can be used as a tool by transportation engineers to evaluate traffic performance at isolated intersections operating under various types of intersection control has been developed. The package

184-1 [CTR] ... CFHR 3-18-72-184-1; 0-184-1

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase1/184-1-CHR.pdf
11.6 MB
______________________________________________________________________________________________________

Effects of Temperature Change on Plastic Crash Cushions, Phase 2

52.

1977 ... by Clyde E. Lee and Roberto Arcienegas In a previous study, the ability of two types of commercially available plastic crash cushions to maintain their original shape and integrity when filled with sand to normal service load and exposed to large temperature variations was determined. The investigation that is described in this report

Lee 1977

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/MS0610.pdf

______________________________________________________________________________________________________

Effects of Temperature Change on Plastic Crash Cushions

53.

1976 ... Victor N. Toth and Clyde E. Lee This study was conducted to determine the ability of two types of commercially available plastic crash cushion units to maintain their shape and integrity when filled with sand to normal service load and exposed to large temperature variations. The test program consisted of alternately

514-1 [CTR] ... Report 9-514-1F

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase2/514-1f.pdf
590 KB
______________________________________________________________________________________________________

Organized Research Unit Self Study

54.

1976 ... Clyde E. Lee The basic purpose of the Center for Highway Research is to improve all aspects of highway transportation in Texas and across the nation through a coordinated program of research and education. The unique resources of faculty, students, staff, and facilities that are available at The University of Texas at Austin

MS-671

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/MS0671.pdf

______________________________________________________________________________________________________

Dynamic Vehicular Loading of the North Floodway Bridges, 1975

55.

1975 ... Clyde E. Lee This is the third report dealing with bridge roughness that has been prepared for the State Department of Highways and Public Transportation during the past two years. All these investigations are direct examples of applying the results of research in solving field design, maintenance, and operational problems

156-INTR1 [CTR] ... Report 0-156-INTR1

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase2/156-intr1.pdf
1.26 MB
______________________________________________________________________________________________________

Speed of Vehicles on Grades

56.

1975 ... C. Michael Walton and Clyde E. Lee Prior to the initiation of this study there had not been a field study of actual truck and recreational vehicle performance, specifically their operating characteristics on critical highway grades, for several decades. The many changes in truck engine displacement and truck horsepower and the

20-1 [CTR] ... Report 0-20-1F; CFHR 3-8-73-20-1F

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase1/20-1f-CTR.pdf
3.36 MB
______________________________________________________________________________________________________

Truck Weight Surveys by In-Motion Weighing

57.

1975 ... Randy B. Machemehl, Clyde E. Lee and C. Michael Walton The need for vehicle weight data in planning and designing highway facilities has historically been satisfied by stopping selected vehicles at specially prepared roadside sites and weighing each wheel or each axle of the vehicle on either portable scales or on platform scales.

181-1 [CTR] ... 0-181-1F

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase1/181-1F-CHR.pdf
3.2 MB
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Speed of Vehicles on Grades : Summary of Research Report 20-1F

58.

1975 ... C. Michael Walton and Clyde E. Lee Research Report 20-1F summarizes the findings of Research Project 3-8-73-20 "Speed of Vehicles on Grades," and presents the study procedure leading to the development of new composite speed-distance curves for critical classes of trucks and recreational vehicles on a range of vertical

20-1 F summary [CTR] ... PSR 0-20-1F(S) ... Summary Report (Center for Transportation Research), 20-1

Full-text Link:
http://library.ctr.utexas.edu/digitized/summaries/20-1F-summary.pdf
250 KB
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Annual Report September 1, 1974 - August 31, 1975

59.

1975 ... The Center for Highway Research ; Clyde E. Lee, director The Center for Highway Research, an administrative unit of the College of Engineering, begun in 1963, coordinates and administers a comprehensive research program aimed at improving highway transportation through education and research. Its major functions

CFHR Annual 1974/75 [CTR]

Full-text Link:
No online resource supplied by publisher
______________________________________________________________________________________________________

Dynamic Vehicular Loading of the Hubbard Creek Reservoir Bridge, 1975

60.

1975 ... Clyde E. Lee, Randy Machemehl Since its construction in the early 1960's, the three-quarter-mile-long predominantly reinforced concrete bridge structure on U.S. Highway 180 over the Hubbard Creek Reservoir in north central Texas has developed significant permanent deformation or sag near the center of most of the 40-foot-long

156-Intr2 [CTR] ... TxDOT Report 0-156-INTR2

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase2/156-intr2.pdf
853 KB
______________________________________________________________________________________________________

Dynamic Traffic Loading of Pavements

61.

1974 ... Randy B. Machemehl and Clyde E. Lee Application of a technique for mathematical simulation of the interaction of heavy highway vehicles with a defined road surface profile is described. The simulation technique is used to develop a practical methodology for summarizing the dynamic vehicular loading experience of a highway

160-1 F [CTR] ... 0-160-1F

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase1/160-1F-CHR.pdf
1.98 MB
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Speed-Zoning to Reduce Dynamic Loads on the Port Isabel Causeway

62.

1974 ... by Clyde E. Lee, Randy Machemehl Since its construction in the early 1950's, the mile-long reinforced concrete causeway structure which connects Padre Island with the Texas mainland has developed significant permanent deformation or sag in most of the 30- foot- long simply supported pan girder type spans that compose

156-Intr3 [CTR] ... TxDOT Report 0-156-INTR3

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/MS0695.pdf

______________________________________________________________________________________________________

Annual Report September 1, 1972 - August 31, 1973

63.

1973 ... The Center for Highway Research; Clyde E. Lee, director The Center for Highway Research is the administrative unit of the College of Engineering of The University of Texas at Austin. As such, it coordinates and administers a comprehensive research program aimed at improving highway transportation. Its major responsibility

CFHR Annual 1972/73 [CTR]

Full-text Link:
No online resource supplied by publisher
______________________________________________________________________________________________________

A Theoretical and Experimental Study of Dynamic Highway Loading

64.

1972 ... Nasser I. Al-Rashid, Clyde E. Lee, William P. Dawkins Mathematical models of five representative classes of Highway vehicles have been formulated and verified by extensive Field experimentation. Good agreement was found between Computed and measured wheel forces for all vehicle types, vehicle Speeds (10 to

108-1 [CTR] ... 0-108-1F

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase1/108-1F-CHR.pdf
8.27 MB
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Annual Report September 1, 1971 - August 31, 1972

65.

1972 ... The Center for Highway Research; Clyde E. Lee, director The Center for Highway Research is the administrative unit of the College of Engineering of The University of Texas at Austin which coordinates and administers a comprehensive research program aimed at improving highway transportation... During this fiscal

CFHR Annual 1971/72 [CTR]

Full-text Link:
No online resource supplied by publisher
______________________________________________________________________________________________________

Transportation Program Development Project : January 25, 1972 - August 31, 1972 : Final Report

66.

1972 ... Project members: C. Michael Walton [and seven others] The established goal of the Transportation Program Development Project was a multidisciplinary academic and research program in transportation. Objectives were developed leading to the attainment of the goal. These were as follows: (1) the development of a preliminary

Walton

Full-text Link:
Electronic resource not yet available
______________________________________________________________________________________________________

Evaluation of Traffic Control at Highway Intersections

67.

1970 ... Clyde E. Lee and Walter Vodrazka The design and development of a digital delay data recorder (d3 recorder) and its use for collecting traffic volume and delay data at intersections are detailed in this report. Extensive field measurements of traffic characteristics observed at 19 locations ranging in complexity from low-

78-1 [CTR] ... 0-78-1F

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase1/78-1F-CHR.pdf
8.65 MB
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A Portable Electronic Scale for Weighing Vehicles in Motion

68.

1968 ... Clyde E. Lee and Nasser I. A-Rashid A unique portable electronic scale for weighing each wheel of highway vehicles moving at speeds up to 70 mph has been developed at the center for highway research, the university of texas at austin. The scale consists of a pair of special strain gage transducers, each of which is

54-1 F [CTR] ... Report 54-1F

Full-text Link:
http://library.ctr.utexas.edu/digitized/texasarchive/phase1/54-1F-CHR.pdf
4.42 MB
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