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0-6697-CTR, Integration of Data Sources to Optimize Freight Transportation in Texas
[2017] ... Research Performed by: Center for Transportation Research; Research Supervisor: Dr. C. Michael Walton; Researchers: Dan Seedah [and eight others] · "The 2012 Moving Ahead for Progress in the 21st Century Act (MAP-21)... stipulations expand agencies’ interest in freight initiatives and modeling within statewide planning
6697 Summary [CTR] ... PSR 0-6697-S ... Project Summary
Full-text Link:
135 KB
ConcreteWorks V3 Training/User Manual (P1); ConcreteWorks Software (P2)
2017 ... Research Supervisor: Kevin Folliard; Dr. Kyle Riding [and four others] · "ConcreteWorks is designed to be a user-friendly software package that can help concrete professionals optimize concrete mixture proportioning, perform a concrete thermal analysis, and increase the chloride diffusion service life. The software package contains
6332-P1/P2 [CTR] ... Product 0-6332-P1; Product 0-6332-P2
Full-text Link:
5.1 MB
Development of Predictive Model for Bridge Deck Cracking : Final Report
2017 ... Philip Pesek [and five others] · Early-age bridge deck cracking has been found to be a prevalent problem worldwide. While early-age cracking will not cause failure of a bridge deck system independently, the penetration of deleterious substances through the early-age cracks into the bridge deck concrete and the bridge
6332-2 [CTR] ... FHWA/TX-13/0-6332-2
Full-text Link:
51.7 MB
0-6675, Evaluation of Bonus/Penalty Pay Adjustment Systems for HMA and Ride Specification of Concrete and Asphalt Pavements
[2017] ... Research Performed by: Center for Transportation Research; Research Supervisor: Jorge A. Prozzi; Researchers: Prasad Buddhavarapu [and three others] · "The current pay adjustment system for hot mix asphalt (HMA) production, placement, and ride consistently rewards contractors, although this procedure does not
6675 Summary [CTR] ... PSR 0-6675-S ... Project Summary
Full-text Link:
182 KB
0-6827, Strategies for a Comprehensive Inventory and Management of Real Property Assets
[2017] ... Research Performed by: Center for Transportation Research; Research Supervisor: William O’Brien; Researchers: Zhanmin Zhang [and three others] · "TxDOT has a large inventory of parcels within its right-of-way holdings (ROW) and many parcels that could be used in more profitably or efficiently... However, TxDOT currently
6827 Summary [CTR] ... PSR 0-6827-S ... Project Summary
Full-text Link:
132 KB
Automated Distress Surveys : Analysis of Network-Level Data
2017 ... Pedro Serigos [and four others]; Research Supervisor: Michael R. Murphy · Slides from a presentation updating attendees on Phase 3 of Project 0-6663, "Evaluation of Pavement Rutting and Distress Measurements." · "March 2015; Published April 2017" · Publ. by: University of Texas at Austin. Center for Transportation Research
6663-P3 [CTR] ... Product 0-6663-P3
Full-text Link:
1.63 MB
Laser Sensor System Documentation
2017 ... Research Supervisor: Jorge A Prozzi · Phase 1 of TxDOT Project 0-6873, True Road Surface Deflection Measuring Device, developed a laser sensor system based on several sensors mounted on a rigid beam. · "AUGUST 2016; PUBLISHED MARCH 2017" · Publ. by: University of Texas at Austin. Center for Transportation
6873-P2 [CTR] ... Product 0-6873-P2
Full-text Link:
163 KB
Concept of Operations (CONOPS)
2017 ... Jorge A. Prozzi [and five others] · "A Concept of Operations (ConOps) document describes the likely operation of a future system in the terminology of its users, providing important information for the development of that system... Engineers have long recognized the usefulness of pavement deflection measurements to evaluate
6873-P1 [CTR] ... Product 0-6873-P1
Full-text Link:
582 KB
Case Study Guidelines
2017 ... Kevin Savage [and four others] · "...the project team reviewed the estimated costs imposed by use of overweight (OW) vehicles and ways to allocate costs to different vehicle classes. Additionally, cost recovery structures were explored for the possibility of generating additional revenue to fund pavement repairs needed due
6817-P3 [CTR] ... Product 0-6817-P3
Full-text Link:
2.6 MB
Training Workshop Material
2017 ... Research Supervisor: C. Michael Walton · "On July 18, 2016, the research team held a workshop from 2:00 to 5:00 p.m. at the Center for Transportation Research (CTR). The main purposes of the workshop were to inform the attendees of the methodologies used to evaluate the pavement and bridge consumption of different truck
6817-P2 [CTR] ... Product 0-6817-P2
Full-text Link:
13.4 MB
Truck Industry Forum Material
2017 ... Meredith Cebelak [and four others] · "...draft version of the presentation that will be used for the upcoming half-day Infrastructure-Friendlier Trucks Forum tentatively scheduled for Friday, March 13, 2015. This forum will present a project status update, a presentation by Mr. John Woodrooffe (University of Michigan
6817-P1 [CTR] ... Product 0-6817-P1
Full-text Link:
802 KB
Infrastructure-Friendly Vehicles to Support Texas Economic Competitiveness
2017 ... Jorge Prozzi [and seven others] · The researchers reviewed and extended the work done under Project 0-6736, Rider 36 OS/OW Vehicle Fees Study, and other similar efforts currently underway in Texas and other states and at the federal and international level to evaluate the effects of single, tandem, and tridem configurations on
6817-1 [CTR] ... FHWA/TX-16/0-6817-1
Full-text Link:
5.4 MB
0-6817, Review and Evaluation of Current Gross Vehicle Weights and Axle Load Limits
[2017] ... Research Performed by: Center for Transportation Research; Research Supervisor: C. Michael Walton; Researchers: Jorge A. Prozzi [and six others] · "Overweight (OW) loads typically require innovative truck configurations that distribute the load more efficiently than traditional five-axle configurations, potentially reducing
6817 Summary [CTR] ... PSR 0-6817-S
Full-text Link:
76 KB
Development of a Laser-based Sensor to Measure True Road Surface Deflection
2017 ... Jorge A. Prozzi [and four others] · The high-speed measurement of accurate pavement surface deflections under a moving wheel at a network-level still remains a challenge in pavement engineering. This goal cannot be accomplished with stationary deflection-measuring devices. Engineers recognize the usefulness of
6873-1 [CTR] ... FHWA/TX-16/0-6873-1
Full-text Link:
8.1 MB
Corridor-Based Planning Tool for Transportation of Wind Turbine Components. Manual Guide (P1); Workshop Presentation (P2)
2017 ... Chandra R. Bhat [and three others] · "This project produced a corridor-based planning tool for TxDOT’s use in planning for future construction of wind farms and the transportation of wind turbine components. The research team organized a three-hour workshop to present the tool’s predictive functionalities in these areas: (1)
6850-P1/P2 [CTR] ... Product 0-6850-P1; Product 0-6850-P2
Full-text Link:
· http://library.ctr.utexas.edu/ctr-publications/0-6850-tool.zip
1.4 MB PDF; 69.2 MB ZIP files
Texas Transportation Planning for Future Renewable Energy Projects : Final Report
2017 ... Sebastian Astroza [and five others] · There will be a significant increase in the number of renewable energy production facilities in Texas. The construction of wind farms requires the transport of wind turbine components that create increased loads on rural roads and bridges. These rural roads and bridges are typically not
6850-1 [CTR] ... FHWA/TX-16/0-6850-1
Full-text Link:
2.4 MB
DRT Accessibility Tool (P1); User Guide (P2); Workshop Materials (P3)
2017 ... Sebastian Astroza [and four others]; Research Supervisor: Chandra R. Bhat; · "This tool addresses some of the challenges of operating a demand-responsive transit (DRT) system by determining how well a DRT system serves its riders as well as the most efficient ways to improve this service. The DRT Accessibility Tool is
6768-P1/P2/P3 [CTR] ... Product 0-6768-P1; Product 0-6768-P2; Product 0-6768-P3
Full-text Link:
· http://library.ctr.utexas.edu/ctr-publications/0-6768-P1.accdb
4.2 MB PDF; 5.3 MS Access
Performance of Preventive Maintenance Treatments for Flexible Pavements in Texas
2017 ... Pedro A. Serigos, Andre Smit, Jorge A. Prozzi · This report documents the work performed in the first year of the Texas Department of TxDOT Project 0-6878. The main objective of this project is to quantify the effectiveness of various popular preventive maintenance (PM) treatments under varying conditions toward
6878-2 [CTR] ... FHWA/TX-16/0-6878-2
Full-text Link:
821 KB
Creation of impacTX : Improved Mobility Plan for Advancing Connected Transportation
2017 ... Kristie Chin, Andrea Gold, Dr. C. Michael Walton · The state is at a pivotal moment in transportation, where the rate of population growth, infrastructure deterioration, and congestion are outpacing Texas’s ability to provide quality service. This document introduces the Texas Technology Task Force, providing highlights on its most
6902-1 [CTR] ... FHWA/TX-17/0-6902-1
Full-text Link:
4.1 MB
Development of an Accessibility Formulation to Measure Customers’ Evaluations of Demand-Responsive Transit (DRT) Systems : Final Report
2017 ... Sebastian Astroza [and six others] · This report discusses the application of the paratransit microsimulation patron accessibility analysis tool developed by the University of Texas researchers. The research team worked on updating the DRT Accessibility Tool developed by the Texas Department of Transportation’s Public
6768-1 [CTR] ... FHWA/TX-17/0-6768-1
Full-text Link:
1.8 MB
0-6768, Development of an Accessibility Formulation to Measure Customers’ Evaluations of Demand Responsive Transit (DRT) Systems
[2017] ... Research Performed by: Center for Transportation Research; Research Supervisor: Chandra R. Bhat; Researchers: Sebastian Astroza [and five others] · Texas has 39 rural transit providers and all of them contend with area-specific challenges in responding to their respective DRT [Demand Responsive Transit] markets. Ensuring
6768 Summary [CTR] ... PSR 0-6768-S ... Project Summary
Full-text Link:
74 KB
Laboratory and Field Studies of Photocatalytic NOx and O3 Removal by Coatings on Concrete
2017 ... Neil Crain [and nine others] · This project involved thorough testing of titanium dioxide (TiO2)-containing commercial photocatalytic coatings applied to portland cement concrete for highway applications, focusing on the use of these coatings as an abatement method for atmospheric nitrogen oxide (NOx) and ozone (O3). The study
6636-1 [CTR] ... FHWA/TX-17/0-6636-1
Full-text Link:
11.3 MB
Use of Carbon Fiber Reinforced Polymer (CFRP) with CFRP Anchors for Shear-Strengthening and Design Recommendations / Quality Control Procedures for CFRP Anchors
2017 ... James O. Jirsa [and nine others] · The objective of the study was to demonstrate the feasibility of using bi-directional layouts of CFRP for shear strengthening of bridge girders. In a previous project (0-6306), it was demonstrated that uni-directional CFRP strips and CFRP anchors improved the shear strength of reinforced concrete
6783-1 [CTR] ... FHWA/TX-16/0-6783-1
Full-text Link:
21.9 MB
0-6783, Use of Carbon Fiber Reinforced Polymer (CFRP) with CFRP Anchors for Shear-Strengthening and Design Recommendations/Quality Control Procedures for CFRP Anchors
[2017] ... Research Performed by: Center for Transportation Research; Research Supervisor: James O. Jirsa; Researchers: Wassim M. Ghannoum [and seven others] · "The objective of the study was to demonstrate the feasibility of using bi-directional layouts of CFRP [Carbon Fiber Reinforced Polymer] for shear strengthening of
6783 Summary [CTR] ... PSR 0-6783-S ... Project Summary
Full-text Link:
90 KB
Partial Depth Precast Concrete Deck Panels on Curved Bridges : Finite Element Analytical Model of PCPs
2017 ... Colter Roskos [and seven others] · A number of full-scale tests have been carried out in the laboratory focused on the shear performance of simulated precast concrete deck panels (PCP). Shear tests were carried out to simulate the type of loading that will be applied to the deck panels as they are engaged as a bracing element. As
6816-P1 [CTR] ... Product 0-6816-P1
Full-text Link:
1 MB
A Proposal for Revising TxDOT Ride Specification to Account for Ride Quality Improvement
2017 ... Jorge A. Prozzi [and three others] · The objectives of this project were to i) develop a rational and financially justifiable pay adjustment system that incorporates “new” versus “old” ride quality and ii) evaluate the existing techniques to measure ride quality using Surface Test Type B or inertial profilers on short projects. To
6853-1 [CTR] ... FHWA/TX-16/0-6853-1
Full-text Link:
1.9 MB
0-6853-P1, Workshop Material; 0-6853-P2, Instructor's Guide; 0-6853-P3, Student's Guide
2017 ... Research Supervisor: Dr. Jorge Prozzi · This research product contains presentation slides for workshops conducted for the TxDOT Research Project 0-6853, "Improvements to Ride Specifications." · CONTENTS: 0-6853-P1 and P2: Workshop Material (P1) and Instructor's Guide (P2) -- 0-6853-P3: Student's Guide · Publ. by:
6853-P1 / P2 / P3 [CTR] ... Product 0-6853-P1; Product 0-6853-P2; Product 0-6853- P3
Full-text Link:
4.3 MB
0-6853, Improvements to Ride Specification
2017 ... Research Performed by: Center for Transportation Research; Research Supervisor: Jorge Prozzi; Researchers: Andre de Fortier Smit, Prasad Buddhavarapu, Sareh Kouchaki · "For more than a decade, the Texas Department of Transportation (TxDOT) has been successfully implementing a ride specification containing an
6853 Summary [CTR] ... PSR 0-6853-S ... Project Summary
Full-text Link:
75 KB
0-6873, True Road Surface Deflection Measuring Device (Phase 1)
[2017] ... Research Performed by: Center for Transportation Research; Research Supervisor: Jorge Prozzi; Researchers: Christian Claudel [and three others] · "Pavement engineers have always recognized the usefulness of pavement deflection data to evaluate and monitor pavement response (e.g., maximum deflection) and pavement
6873 Summary Phase 1 [CTR] ... PSR 0-6873-S Phase 1 ... Project Summary
Full-text Link:
78 KB
Implementation of Centrifuge Testing of Expansive Soils for Pavement Design
2017 ... Jorge G. Zornberg, Christian P. Armstrong, Aaron Potkay · The novel centrifuge-based method for testing of expansive soils from project 5-6048-01 was implemented into use for the determination of the Potential Vertical Rise (PVR) of roadways that sit on expansive subgrades. The centrifuge method was modified to allow for
6048-03-1 / P1 [CTR] ... FHWA/TX-17/5-6048-03-1; Product 5-6048-03-P1
Full-text Link:
26.3 MB
Communications and Radar-Supported Transportation Operations and Planning. Final Report
2017 ... Michael Motro [and thirteen others] · This project designs a conceptual framework to harness and mature wireless technology to improve transportation safety, with a focus on frontal collision warning/collision avoidance (CW/CA) systems. The framework identifies components of the technology and its capabilities, and how
6877-1 [CTR] ... FHWA/TX-16/0-6877-1
Full-text Link:
3.6 MB
0-6663, Evaluation of Pavement Rutting and Distress Measurements
2017 ... Research Performed by: Center for Transportation Research; Research Supervisor: Michael R. Murphy; Researchers: Pedro A. Serigos [and five others] · "The Texas Department of Transportation’s (TxDOT) 3-D automated system (Figure 1) performs high-speed measurement of pavement surface rutting, cracking, and other
6663 Summary [CTR] ... PSR 0-6663-S ... Project Summary
Full-text Link:
217 KB
An Assessment of Autonomous Vehicles : Traffic Impacts and Infrastructure Needs, Final Report
2017 ... Dr. Kara Kockelman (Research Supervisor) with Dr. Stephen Boyles [and nineteen others] · The project began by understanding the current state of practice and trends. NHTSA’s four-level taxonomy for automated vehicles was used to classify smart driving technologies and infrastructure needs. The project used surveys to
6847-1 [CTR] ... FHWA/TX-17/0-6847-1
Full-text Link:
2 MB
Best Practices for Modifying Transportation Design, Planning, and Project Evaluation in Texas
2017 ... Kara Kockelman [and ten others] · "Connected and automated vehicles (CAVs) in Texas are about to significantly change how the Texas transportation system works. The Texas Department of Transportation (TxDOT) maintains the most widespread state-level transportation network, and it is important to expect, understand, and
6847-P1 [CTR] ... Product 0-6847-P1
Full-text Link:
532 KB
0-6847, An Assessment of Autonomous Vehicles : Traffic Impacts and Infrastructure Needs
2017 ... Research Performed by: Center for Transportation Research; Research Supervisor: Kara Kockelman; Researchers: Kara Kockelman [and nineteen others] · "This project investigated how connected and (fully) automated vehicles (CAVs) can affect traffic congestion and travel demand, and developed best-practice
6847 Summary [CTR] ... PSR 0-6847-S ... Project Summary
Full-text Link:
77 KB
0-6636, Photocatalytic NOx / HRVOC / O3 Removal in Transportation Applications
2017 ... Research Performed by: Center for Transportation Research; Research Supervisor: Maria Juenger; Researchers: Neil Crain [and eight others] · "Nitrogen oxides (NOx) are considered to be one of the key ambient air pollutants and are important because of their direct health effects on people and because they take part in the
6636 Summary [CTR] ... PSR 0-6636-S ... Project Summary
Full-text Link:
98 KB
0-6850, Texas Transportation Planning for Future Renewable Energy Projects
2017 ... Research Performed by: Center for Transportation Research; Research Supervisor: Chandra R. Bhat; Researchers: Sebastian Astroza [and four others] · "Constructing wind farms requires the transport of wind turbine components, which will increase loads on rural roads and bridges not typically designed for such loads,
6850 Summary [CTR] ... PSR 0-6850-S ... Project Summary
Full-text Link:
78 KB
5-6719-01, Bridge Strengthening Design and Load Testing for a Continuous Steel Girder Bridge with Post-Installed Shear Connectors
2017 ... Research Performed by Center for Transportation Research; Research Supervisor Michael D. Engelhardt; Researchers Kerry Kreitman [and three others] · "Many older bridges in the state of Texas were constructed with floor systems consisting of a non-composite concrete deck over steel girders. While the individual elements in these
6719-01 Summary [CTR] ... PSR 5-6719-01-S ... Project Summary
Full-text Link:
62 KB
Implementation Project [on] Strengthening a Continuous Steel Girder Bridge in Lakeport, Texas with Post-Installed Shear Connectors. Phase 1, Bridge Strengthening Design and Load Testing
2017 ... Kerry L. Kreitman [and four others] · In Implementation Project 5-6719, a non-composite continuous steel girder bridge located in Lakeport, Texas will be strengthened using techniques developed in TxDOT Research Project 0-6719. This strengthening technique involves the use of post-installed shear connectors in positive moment
6719-01-1 [CTR] ... FHWA/TX-16/5-6719-01-1
Full-text Link:
2.6 MB
Workshop Materials [for TxDOT Project 0-6845: Connected Vehicle Problems, Challenges and Major Technologies]
2017 ... Research Supervisor: Chandra Bhat · This document includes the presentation slides for a workshop covering Tasks 1 & 2 of Project 0-6845, as well as presentation slides for a November 29, 2016 workshop covering Tasks 3 & 4 of Project 0-6845. · CONTENTS: Connected Vehicle Problems, Challenges, and Major Technologies /
6845-P1 [CTR] ... Product 0-6845-P1
Full-text Link:
2.5 MB
Guidelines on CV Networking Information Flow Optimization for Texas
2017 ... Jeffrey Andrews [and six others] · Recognizing the fundamental role of information flow in future transportation applications, the research team investigated the quality and security of information flow in the connected vehicle (CV) environment. The research team identified key challenges and their potential solutions.
6845-1 [CTR] ... FHWA/TX-17/0-6845-1
Full-text Link:
5.4 MB
0-6845, Connected Vehicle Problems, Challenges and Major Technologies
2017 ... Research Performed by Center for Transportation Research; Research Supervisor: Chandra Bhat; Researchers: Jeffrey Andrews [and five others] · "Connected vehicles (CVs) are the future of transportation. CV technology utilizes wireless communication to realize real-time information exchange among vehicles, transportation
6845 Summary [CTR] ... PSR 0-6845-S ... Project Summary
Full-text Link:
90 KB
Putting Price Tags on International Trade Use of State Infrastructure : Final Report
2017 ... Taehoon Lim [and five others] · As a major gateway to the entire U.S. for international trade both through seaports and land ports of entry, Texas pays the bills for the construction and maintenance of the infrastructure required to move the freight which benefits other parts of the country. Moreover, with the expansion
6844-1 [CTR] ... FHWA/TX-17/0-6844-1
Full-text Link:
4.3 MB
0-6844, Putting a Price Tag on International Trade Use of State Infrastructure
[2017] ... Research Performed by Center for Transportation Research; Research Supervisor: Zhanmin Zhang; Researchers: Taehoon Lim [and four others] · "As a major gateway to the entire U.S. for international trade both through seaports and land ports of entry, Texas pays the bills for the construction and maintenance of the
6844 Summary [CTR] ... PSR 0-6844-S ... Project Summary
Full-text Link:
78 KB
NEPA Assignment at TxDOT : Analysis, Review, and Training Modules
2017 ... Loftus-Otway, Lisa [and six others] · Under the Surface Transportation Project Delivery Program created by SAFETEA-LU and continued under MAP-21, federal transportation law has authorized delegating the National Environmental Policy Act (NEPA) review and approval processes to state Departments of Transportation. The Texas
6866-1 [CTR] ... FHWA/TX-16/0-6866-1
Full-text Link:
3.6 MB
0-6866, NEPA Reporting Synthesis of State Practices
2017 ... Research Performed by: Center for Transportation Research; Research Supervisor: Lisa Loftus-Otway; Researchers: Michael Bomba · The Surface Transportation Project Delivery Program has authorized delegating the National Environmental Policy Act (NEPA) review and approval processes to state Departments of Transportation
6866 Summary [CTR] ... PSR 0-6866-S ... Project Summary
Full-text Link:
57.3 KB
Travel Modeling in an Era of Connected and Automated Transportation Systems : An Investigation in the Dallas-Fort Worth Area
2017 ... James Kuhr [and six others (CTR)]; Thomas Bamonte, Arash Mirzaei, Hong Zheng (NCTCOG); Research Supervisor: Chandra Bhat · The North Central Texas Council of Governments (NCTCOG) engaged D-STOP to conduct a planned four-year study to analyze the status and progress of connected/autonomous vehicle (CAV)
DSTOP Report 122 [CTR] ... DSTOP/2017/122 ... Technical Report (D-STOP), 120
Full-text Link:
1.7 MB
Bringing Smart Transport to Texans : Ensuring the Benefits of a Connected and Autonomous Transport System in Texas. Final Report
[2017] ... Dr. Kara Kockelman with Dr. Stephen Boyles [and twenty two others] · "This project develops and demonstrates a variety of smart-transport technologies, policies, and practices for highways and freeways using connected autonomous vehicles (CAVs), smartphones, roadside equipment, and related technologies. The intent is
6838-2 [CTR] ... FHWA/TX-16/0-6838-2
Full-text Link:
· http://library.ctr.utexas.edu/ctr-publications/0-6838-2-appx.pdf
8.7 MB; 15.7 MB
CAMPO-CTR Dynamic Traffic Assignment Interlocal Agreement FY16 Deliverables Submittal
[2016] ... [Jen Duthie and others] · "Part of Task 3 of the contract with CTR is to assist CAMPO by identifying areas for model improvement. This effort was completed through a variety of means. Some of the assistance was provided as a result of direct requests from CAMPO leadership to examine CAMPO’s modeling practices as they
Full-text Link:
31.2 MB
Online Matching with Queueing Dynamics
2016 ... Subhashini Krishnasamy, Rajat Sen, Ramesh Johari, and Sanjay Shakkottai · We consider a variant of the multiarmed bandit problem where jobs queue for service, and service rates of different servers may be unknown. We study algorithms that minimize queue-regret: the (expected) difference between the queue-lengths
DSTOP Report 127 [CTR] ... DSTOP/2016/127 ... Technical Report (D-STOP)
Full-text Link:
1.2 MB
Greedy Subspace Clustering
2016 ... Dohyung Park, Constantine Caramanis, Sujay Sanghavi · We consider the problem of subspace clustering: given points that lie on or near the union of many low-dimensional linear subspaces, recover the subspaces. To this end, one first identifies sets of points close to the same subspace and uses the sets to estimate
DSTOP Report 111 [CTR] ... DSTOP/2016/111 ... Technical Report (D-STOP)
Full-text Link:
598 KB
Solving a Mixture of Many Random Linear Equations by Tensor Decomposition and Alternating Minimization
[2016] ... Xinyang Yi, Constantine Caramanis, Sujay Sanghavi · We consider the problem of solving mixed random linear equations with k components. This is the noiseless setting of mixed linear regression. The goal is to estimate multiple linear models from mixed samples in the case where the labels (which sample corresponds to
DSTOP Report 109 [CTR] ... DSTOP/2016/109 ... Technical Report (D-STOP), 108
Full-text Link:
1 MB
Low-Cost Precise Positioning for Automated Vehicles : Carrier-Phase Differential GNSS Produces Mass-Market Centimeter Accuracy
2016 ... Todd E. Humphreys; by Matthew J. Murrian [and five others] · Commercial Global Positioning System (GPS) devices are being used in transportation for applications including vehicle navigation, traffic monitoring, and tracking commercial and public transit vehicles. The current state-of-practice technology in GPS devices typically
DSTOP Report 115 [CTR] ... DSTOP/2016/115 ... Technical Report (D-STOP), 115
Full-text Link:
1.14 MB
Index-Coded Retransmission for OFDMA Downlink
2016 ... Sriram Vishwanath; Muryong Kim [and three others] · Index coding, a coding formulation traditionally analyzed in the theoretical computer science and information theory communities, has received considerable attention in recent years due to its value in wireless communications and networking problems. In particular, there
DSTOP Report 105 [CTR] ... DSTOP/2016/105 ... Technical Report (D-STOP), 105
Full-text Link:
Access will be restored June 2017
Combining Millimeter-Wave Radar and Communication Paradigms for Automotive Applications : A Signal Processing Approach
2016 ... Robert W. Heath Jr.; Junil Choi [and five others] · As driving becomes more automated, vehicles are being equipped with more sensors generating even higher data rates. Radars (RAdio Detection and Ranging) are used for object detection, visual cameras as virtual mirrors, and LIDARs (LIght Detection and Ranging) for
DSTOP Report 106 [CTR] ... DSTOP/2016/106 ... Technical Report (D-STOP), 106
Full-text Link:
1.3 MB
Improved Traffic Operations through Real-Time Data Collection and Control
2016 ... Stephen Boyles and Michael Levin · Intersections are a major source of delay in urban networks, and reservation-based intersection control for autonomous vehicles has great potential to improve intersection throughput. However, despite the high flexibility in reservations, existing control policies are fairly limited. To
DSTOP Report 108 [CTR] ... DSTOP/2016/108 ... Technical Report (D-STOP), 108
Full-text Link:
350 KB
The Formulation and Estimation of a Spatial Skew-Normal Generalized Ordered-Response Model
2016 ... Chandra R. Bhat, Sebastian Astroza, Amin S. Hambdi · This paper proposes a new spatial generalized ordered response model with skew-normal kernel error terms and an associated estimation method. It contributes to the spatial analysis field by allowing a flexible and parametric skew-normal distribution for the kernel error term
DSTOP Report 117 [CTR] ... DSTOP/2016/117 ... Technical Report (D-STOP), 117
Full-text Link:
599 KB
A Latent Class Multiple Constraint Multiple Discrete-Continuous Extreme Value Model of Time Use and Goods Consumption
2016 ... Chandra R. Bhat [and three others] · This paper develops a microeconomic theory-based multiple discrete continuous choice model that considers: (a) that both goods consumption and time allocations (to work and non-work activities) enter separately as decision variables in the utility function, (b) that both time and money
DSTOP Report 118 [CTR] ... DSTOP/2016/118 ... Technical Report (D-STOP), 118
Full-text Link:
346 KB
SLA Truck Configuration Library Final Report
2016 ... C. Michael Walton [and eleven others] · "Historically, the Texas Department of Transportation (TxDOT) State Legislative Affairs (SLA) Section, TxDOT subject matter experts (SME) and the University of Texas – Center for Transportation Research (CTR) and University of Texas – San Antonio (UTSA) researchers have responded to
Walton 2016 [CTR]
Full-text Link:
12.7 MB
Test Data, Demonstration Videos, and Transceivers
2016 ... Christian Claudel, Paul Avery, Kara Kockelman · "This report describes various test data, demonstrations, and transceivers created and used during the demonstration phase of Project 0-6838. Researchers at Southwest Research Institute (SwRI) and UT Austin’s Center for Transportation Research (CTR) demonstrated
6838-P1 [CTR] ... Product 0-6838-P1
Full-text Link:
· http://library.ctr.utexas.edu/ctr-publications/0-6838-p1-files-matlab.zip
2.1 MB PDF; 27.3 KB ZIP
Updates to RDD Control Systems and Rolling Sensors
2016 ... Kenneth H. Stokoe II, Jung-Su Lee · This document discusses the improvements made to the RDD system on the TPAD. This work was performed from January 2013 to August 2014. The first improvement involved the air pressure control system on the rolling sensors. The second improvement involved modifications to the towing
6005-01-P2 [CTR] ... Product 5-6005-01-P2
Full-text Link:
201 KB
Statewide Implementation of the Total Pavement Acceptance Device (TPAD). Final Report
2016 ... Kenneth H. Stokoe II, Jung-Su Lee, Tom Scullion · Construction and development of the Total Pavement Acceptance Device (TPAD) was completed at the end of August 2012 through TxDOT Research Project 0-6005-01. The TPAD is a multi-function pavement evaluation device used to profile continuously along pavements at speeds in
6005-01-1 [CTR] ... FHWA/TX-14/5-6005-01-1
Full-text Link:
3.2 MB

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