Volpe National Transportation Systems Center, Technical Reference Center

Field Implementation Feasibility Study of Cumulative Travel-Time Responsive Intersection Control Algorithm Under Connected Vehicle Technology

Published:

2016-03-31

Abstract:

This project utilized the Connected Vehicle (CV) environment, which provides two-way wireless communications between vehicles and infrastructure, to (1) improve the Cumulative Travel-time Responsive (CTR) Intersection Control Algorithm under low CV m...

File Type:

[PDF - 2.94 MB]

Added:

01/10/2019

Flexural Behavior of High Density Polyethylene Rail Crossties

Published:

2015-01-12

Abstract:

This report presents the findings of an experimental research program addressing the flexural behavior of High Density Polyethylene (HDPE) railroad crossties and their mechanical properties. The objectives of this report were to: (1) Understand and a...

File Type:

[PDF - 5.12 MB]

Added:

01/10/2019

Fundamental Studies in the Longitudinal Control of Automated Ground Vehicles

Published:

1976-12-01

Abstract:

Four essential aspects of the longitudinal control of vehicles in an automated, individual-vehicle system are considered here: a) Sector-level control; b) Communications between each controlled vehicle and the sector computer; c) The development of t...

File Type:

[PDF - 11.25 MB]

Added:

01/10/2019

Freeway Data for Incident and Nonincident Conditions -- Vol. 3: FORTRAN Program Documentation for Analyzing Individual Data Sets

Published:

1977-12-01

Abstract:

The results of the project to collect freeway traffic data for use in developing and verifying incident detection algorithms are presented in three volumes. This volume contains instructions on the usage of a FORTRAN program to analyze data collected...

File Type:

[PDF - 14.08 MB]

Added:

01/09/2019

Freeway Data for Incident and Nonincident Conditions -- Vol. 2: Traffic Data Sets from Closely Spaced Detectors

Published:

1977-12-01

Abstract:

The results of the project to collect freeway traffic data for use in developing and verifying incident detection algorithms are presented in three volumes. This volume gives a description of the 80 data sets collected from the closely spaced detecto...

File Type:

[PDF - 6.47 MB]

Added:

01/09/2019

Freeway Data for Incident and Nonincident Conditions -- Vol. 1: Traffic Data Sets from Widely Spaced Detectors

Published:

1976-09-01

Abstract:

The results of the project to collect freeway traffic data for use in developing and verifying incident detection algorithms are presented in three volumes. This volume gives a description of the first 200 data sets collected from a 42-mile freeway l...

File Type:

[PDF - 20.14 MB]

Added:

01/09/2019

Development of SPT-Torque Test Correlations for Glacial Till

Published:

2014-06-01

Abstract:

Torque tests, which are performed immediately after a standard penetration test (SPT), have grown in popularity since its conception in Brazil during the early 1990s. Purdue University developed the first automated torqueing hardware prototype in 201...

File Type:

[PDF - 9.18 MB]

Added:

01/09/2019

Dual Purpose Bridge Health Monitoring and Weigh-in-Motion (BWIM): Phase I

Published:

2016-07-07

Abstract:

The dual-purpose bridge health monitoring (BHM) and bridge weigh-in-motion (BWIM) system proposed in this research project establishes a single monitoring system, comprised of sensors, data acquisition, and processing, to provide both long-term healt...

File Type:

[PDF - 1.88 MB]

Added:

01/09/2019

Development of the ConnDOT Horizontal Curve Classification Software: Phase II: Final Report

Published:

2015-01-28

Abstract:

Horizontal curves are an integral part of roadway design; they provide a transition between tangents on a roadway. While many types of horizontal curves can be used in the geometric design of a roadway, simple circular curves are typically used. Othe...

File Type:

[PDF - 998.98 KB]

Added:

01/09/2019

Development of Pavement Structural Capacity Requirements for Innovative Pavement Decision-Making and Contracting: Phase II

Published:

2016-06-01

Abstract:

The structural capacity of a pavement has been shown to be a good indicator of the required maintenance and expected performance of pavements. However, results in the literature provide few indices for rigid and composite pavements. This study develo...

File Type:

[PDF - 752.41 KB]

Added:

01/09/2019

Effectiveness of Alternative Skid Reduction Measures: Final Report, Volume IV - Criteria For Improvement of Pavement Surface Macrotexture

Published:

1978-11-01

Abstract:

This volume presents a guide to the role of pavement macrotexture in pavement skid resistance and accidents. An overview of the fundamentals of tire-pavement skid resistance is presented. The methods of measuring macrotexture in the field and in the ...

File Type:

[PDF - 8.41 MB]

Added:

01/09/2019

Economic Analysis of Roadway Occupancy for Freeway Pavement Maintenance and Rehabilitation: Volume 3 - Program Documentation

Published:

1974-10-01

Abstract:

A computer program developed to perform an Economic Analysis of Roadway Occupancy for Maintenance and Rehabilitation EAROMAR is documented. Input includes pavement design, thickness, lanes, project length, initial and final year traffic. The program ...

File Type:

[PDF - 15.24 MB]

Added:

01/09/2019

Economic Analysis of Roadway Occupancy for Freeway Pavement Maintenance and Rehabilitation: Volume 2 - Users Manual

Published:

1974-10-01

Abstract:

A computer program was developed to perform an Economic Analysis of Roadway Occupancy for Maintenance and Rehabilitation EAROMAR. The user specifies the pavement design and traffic. The program generates hourly traffic volume by trip purpose, directi...

File Type:

[PDF - 9.15 MB]

Added:

01/09/2019

Economic Analysis of Roadway Occupancy For Freeway Pavement Maintenance And Rehabilitation, Volume 1 - Final Report

Published:

1974-10-01

Abstract:

A program (manual and computerized) was developed to perform an economic analysis of premium pavements (reduced maintenance requirements). Pavement maintenance costs were determined in terms of impacts on motorists (users) and the general public (non...

File Type:

[PDF - 12.16 MB]

Added:

01/09/2019

Driver Awareness of Highway Sites With High Skid Accident Potential

Published:

1974-07-01

Abstract:

This field study examined driver responses to two types of potential highway skidding hazard: wet pavements subjected to high frictional driving demands, and bridges during periods of possible preferential icing. Study objectives were to examine moto...

File Type:

[PDF - 12.28 MB]

Added:

01/09/2019

Evaluation of Warm Mix Asphalt

Published:

2009-04-01

Abstract:

This report provides details of the construction of a warm mix asphalt (WMA) test section on Interstate 90 in Washington State. The test section consists of 7,813 tons of hot mix asphalt (HMA) and 4,724 tons of WMA produced using Sasobit. Placement o...

File Type:

[PDF - 20.86 MB]

Added:

01/09/2019

End-Result Specifications for Hydraulic Cement Concrete: Phase II

Published:

2011-08-01

Abstract:

A study was undertaken to develop an end-result specification (ERS) for hydraulic cement concrete to be used by the Virginia Department of Transportation (VDOT) in transportation structures to obtain a uniform, consistent, quality product. The study ...

File Type:

[PDF - 325.61 KB]

Added:

01/09/2019

Efficacy of Speed Monitoring Displays in Increasing Speed Limit Compliance in Highway Work Zones

Published:

2003-07-01

Abstract:

Safety in highway work zones has become a concern at the Utah Department of Transportation (UDOT) as the highway network has begun to age and more maintenance and construction work has been necessary. Researchers are looking at several mechanisms for...

File Type:

[PDF - 2.51 MB]

Added:

01/09/2019

Development of Improved Test Rolling Methods for Roadway Embankment Construction

Published:

2008-02-01

Abstract:

Test rolling is a quality assurance test in which penetration of the wheels of a heavy vehicle into subgrade soils is used as a measure of the adequacy of compaction. Current criteria for acceptable test roller penetration are empirical. Two theoreti...

File Type:

[PDF - 6.90 MB]

Added:

01/09/2019

Behavior of Pile-Supported Integral Abutments at Bridge Sites With Shallow Bedrock - Phase I

Published:

2005-06-01

Abstract:

The advantages of constructing bridges with integral abutments are recognized by transportation agencies worldwide. However, pile supported integral abutments are limited to locations where the depth of overburden can provide fixed support conditions...

File Type:

[PDF - 9.77 MB]

Added:

01/09/2019

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