Volpe National Transportation Systems Center, Technical Reference Center

Soil and Base Stabilization and Associated Drainage Considerations, Volume II, Mixture Design Considerations

Published:

1992-12-01

Abstract:

This report consists of two volumes: Volume I, Pavement Design and Construction Considerations; and Volume II, Mixture Design Considerations. These Two volumes represent the revisions to the original manuals prepared in 1979 by Terrel, Epps, Barenber...

File Type:

[PDF - 43.60 MB]

Added:

07/22/2019

Soils and Foundations Reference Manual – Volume II

Published:

2006-12-01

Abstract:

The Reference Manual for Soils and Foundations course is intended for design and construction professionals involved with the selection, design and construction of geotechnical features for surface transportation facilities. The manual is geared towa...

File Type:

[PDF - 12.47 MB]

Added:

07/22/2019

Focus - December 2013

Published:

2013-12-01

Abstract:

Focus (ISSN 1060-6637), which is published monthly by the U.S. Department of Transportation’s Federal Highway Administration (FHWA), covers the implementation of innovative technologies in all areas of infrastructure. Its primary mission is twofold...

File Type:

[PDF - 240.86 KB]

Added:

07/22/2019

Rock and Mineral Identification for Engineers

Published:

1991-11-01

Abstract:

This guide can help practicing civil engineers to identify rocks and minerals and to better understand their characteristics and performances in certain applications. The equipment needed for the procedures in this guide is inexpensive and easily obt...

File Type:

[PDF - 5.58 MB]

Added:

07/22/2019

NCHRP Report 350 Compliance Test 5–12 of the 1.07-m Vertical Wall Bridge Railing

Published:

1997-01-01

Abstract:

FHWA recently adopted new performance evaluation guidelines for roadside safety features set forth in NCHRP Report 350. Most of the existing roadside features were tested according to the previous guidelines contained in NCHRP Report 230 and there ar...

File Type:

[PDF - 2.31 MB]

Added:

07/22/2019

What Makes Portland Cement Concrete (PCC) Pavements Rough?

Published:

1998-12-01

Abstract:

Roughness is widely regarded as the most important measure of pavement performance. To better understand how and why roughness occurs in pavements, Long Term Pavement Performance (LTPP) program recently completed a study entitled, "Investigation of D...

File Type:

[PDF - 56.23 KB]

Added:

07/22/2019

Traffic Research Laboratory (TReL) Fact Sheet

Published:

2005-06-01

Abstract:

The Traffic Research Laboratory (TReL) is a unique combination of advanced hardware and software systems that can be used by researchers and practicing traffic engineers to assess and evaluate the impact of various combinations of advanced technologi...

File Type:

[PDF - 619.99 KB]

Added:

07/22/2019

Traffic Analysis Toolbox, Volume III: Guidelines for Applying Traffic Microsimulation Modeling Software

Published:

2004-06-01

Abstract:

This report describes a process and acts as guidelines for the recommended use of traffic microsimulation software in transportation analyses. The seven-step process presented in these guidelines highlights the aspects of microsimulation analysis fro...

File Type:

[PDF - 1.19 MB]

Added:

07/22/2019

Traffic Analysis Toolbox, Volume II: Decision Support Methodology for Selecting Traffic Analysis Tools (Report)

Published:

2004-06-01

Abstract:

This report provides an overview of the role of traffic analysis tools in the transportation analysis process and provides a detailed decision support methodology for selecting the appropriate type of analysis tool for the job at hand. An introductio...

File Type:

[PDF - 1.25 MB]

Added:

07/22/2019

Transportation Asset Management System for Roadway Safety: Idaho's Guardrail Management System Saves Lives, Time, and Money (Fact Sheet)

Published:

2005-01-01

Abstract:

This report briefly describes Idaho's new high tech/low cost guardrail inventory system. The system includes a video logging system using state-of-the-art digital photo imaging data, which not only improves accuracy, but also significantly reduces th...

File Type:

[PDF - 199.33 KB]

Added:

07/22/2019

W-Beam Guardrail Repair and Maintenance

Published:

1990-01-01

Abstract:

This document was prepared under the Rural Transportation Assistance Program Project 70 by the Technology Transfer Center, Iowa State University, Ames, Iowa, and disseminated under the sponsorship of the U.S. Department of Transportation. It is a gui...

File Type:

[PDF - 1.76 MB]

Added:

07/22/2019

Virginia Avenue Over the Clinch River, Richlands

Published:

2000-08-01

Abstract:

The high-performance concrete (HPC) bridge in Richlands, Virginia consists of two 22.6-m (74-ft) spans with five AASHTO Type III prestressed concrete I-beams per span. It has large diameter [15.2 mm (0.6 in.)] prestressing strands at a 51-mm (2 in.) ...

File Type:

[PDF - 53.25 KB]

Added:

07/22/2019

Vegetation Control for Safety - A Guide for Street and Highway Maintenance Personnel

Published:

1990-01-01

Abstract:

This handbook was created to help maintenance workers be aware of safe ways to mow, cut brush and control other vegetation to increase traffic safety. During the growing season, grass, weeds, and brush often limit a driver’s view of approaching veh...

File Type:

[PDF - 1.53 MB]

Added:

07/22/2019

Validation of Accident Models for Intersections

Published:

2005-05-01

Abstract:

This report describes the results of validation and calibration of motor vehicle crash models for rural intersections. Both the validation and recalibration activities were conducted in pursuit of one overriding research objective, which was to make ...

File Type:

[PDF - 1.61 MB]

Added:

07/22/2019

Transportation operations research and development: Turner-Fairbank Highway Research Center, Fall 2014

Published:

2014-09-01

Abstract:

It was a busy summer at the Federal Highway Administration’s (FHWA) Turner-Fairbank Highway Research Center (TFHRC). A debate in Congress to address the Highway Trust Fund shortfall sparked national interest in the importance of transportation infr...

File Type:

[PDF - 995.00 KB]

Added:

07/22/2019

Research and Technology: The Value in Solving Transportation Challenges Globally Through Partnerships

Published:

2014-04-01

Abstract:

The Office of Research, Development, and Technology and the Turner-Fairbank Highway Research Center (TFHRC) at the Federal Highway Administration (FHWA) play a vital leadership role in developing and implementing a coordinated highway research and te...

File Type:

[PDF - 1.24 MB]

Added:

07/22/2019

School Trip Safety and Urban Play Areas. Volume VI. Guidelines for Planning School Bus Routing and Scheduling.

Published:

1975-11-01

Abstract:

This document presents a set of procedures for planning and implementing safe school bus routing and scheduling, based on interviews with responsible school officials and traffic engineers and a review and synthesis of procedures used throughout the ...

File Type:

[PDF - 2.26 MB]

Added:

07/22/2019

School Trip Safety and Urban Play Areas. Volume V. Guidelines for the Development of Safe Walking Trip Maps.

Published:

1975-11-01

Abstract:

This document presents a set of procedures for developing and implementing safest school route maps. School officials, parents, traffic engineers, police and the children themselves share the responsibility for a safe trip to and from school. The loc...

File Type:

[PDF - 2.17 MB]

Added:

07/22/2019

School Trip Safety and Urban Play Areas. Volume IV. A Review of Daylight Savings Time Related Student Pedestrian Problems and Countermeasures

Published:

1975-11-01

Abstract:

This study of the impact of reduced light conditions (under winter Daylight Savings Time) on school trip safety was performed in two phases. The first was the identification and categorization of increased school trip safety problems associated with ...

File Type:

[PDF - 1.39 MB]

Added:

07/22/2019

School Trip Safety and Urban Play Areas. Volume III. A Survey of the Characteristics of the Urban Play Street.

Published:

1975-11-01

Abstract:

The play street is a street temporarily closed to traffic while a variety of super- vised recreational activities for all age groups take place. Since no construction is required in order to create the play street, the play street program brings an a...

File Type:

[PDF - 6.01 MB]

Added:

07/22/2019

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