Volpe National Transportation Systems Center, Technical Reference Center

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

Hydraulic Flow Resistance Factors for Corrugated Metal Conduits

Published:

1970-09-01

Abstract:

Experimental determinations have shown that the resistance factors for conduits manufactured of corrugated metal vary over a wide range for each of the different corrugation forms now available. Hydraulic design procedures require a reliable determin...

File Type:

[PDF - 2.82 MB]

Added:

07/22/2019

Technology for Use of Incinerator Residue as Highway Material - Identification of Incinerator Practices and Residue Sources.

Published:

1975-07-01

Abstract:

A survey was made of present municipal incineration practices in the United States and other countries. Previous world-wide research and development work on the use of incinerator residues as highway material is summarized. The types, quantities, and...

File Type:

[PDF - 2.21 MB]

Added:

07/22/2019

Scour Around Bridge Piers

Published:

1975-03-01

Abstract:

Available theories and prediction formulas on scour at bridge waterways are reviewed. Formulas that offer potential for prediction of scour around bridge piers are compared by reducing each formula to a non-dimensional form that includes Froude Numbe...

File Type:

[PDF - 22.35 MB]

Added:

07/22/2019

Evaluation of Flood Risk Factors in the Design of Highway Stream Crossings. Vol. I. Experimental Determination of Channel Resistance for Large Scale Roughness

Published:

1974-08-01

Abstract:

The overall objective of the study is to develop an engineering systems analysis method to enhance the decision-making process in the design of highway stream crossings. This method applies economic risk techniques as well as standard hydraulic and h...

File Type:

[PDF - 2.64 MB]

Added:

07/22/2019

Urban Highway Storm Drainage Model Vol. 1. Model Development and Test Applications

Published:

1983-12-01

Abstract:

A package of six user-oriented computer programs has been developed and tested for the analysis and design of urban highway drainage systems and related non-point source pollution problems. These programs are organized into four related but independe...

File Type:

[PDF - 2.12 MB]

Added:

07/22/2019

Evaluation of Strand Transfer and Development Lengths in Pretensioned Girders with Semi-Lightweight Concrete

Published:

1999-07-01

Abstract:

Indiana has been using lightweight aggregate consisting mostly of expanded shale in the production of prestressed concrete bridge girders for several projects. The lightweight aggregate has been used as partial replacement for regular gravel or crush...

File Type:

[PDF - 11.01 MB]

Added:

07/22/2019

Greater Portland Intelligent Transportation System (ITS) Early Deployment Plan

Published:

1998-03-01

Abstract:

The Greater Portland Intelligent Transportation Systems Early Deployment Plan is a strategic vision of how “smart” technology can be applied to help improve mobility in Maine’s largest metropolitan area. The Early Deployment Plan was produced b...

File Type:

[PDF - 2.18 MB]

Added:

07/22/2019

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