Delivering resources to save time, lives, and money

Research Search Results

Research

Alternative Delivery Methods for Winter Operations

This project reviewed the practices for maintenance and operations contacting and delivery of snow and ice control services. Based on this review and associated evaluation, the project developed a decision framework to help transportation agencies identify the preferred method for delivering winter
Learn More
Research

20-Year Vision and Strategic Plan for the Manual on Uniform Traffic Control Devices

The objective of this task was to develop a long-range vision (25-30 years from now) of what the MUTCD should be and develop a strategic plan or roadmap for how the MUTCD should be revised to be consistent with the vision. The MUTCD was first published in 1935. In 1970, the Federal Highway Admin
Learn More
Informational Product

Critical Infrastructure, Emergency Evacuation, and Logistics of Disaster Recovery 2014

TRB’s Transportation Research Record (TRR): Journal of the Transportation Research Board (TRR), No. 2459: Critical Infrastructure, Emergency Evacuation, and Logistics of Disaster Recovery 2014 summarizes ways to plan post-disaster operations in a highway network; a model for investigat

Learn More
Research

Effectiveness of Different Approaches to Disseminating Traveler Information and Travel Time Reliability

The SHRP2 L14 project has three objectives: 1) quantify the potential for improvements in the communication of travel reliability information to affect traveler choices such that positive impacts on system performance occur, 2) develop a lexicon for communicating travel time re

Learn More
Research

A Lexicon for Conveying Travel Time Reliability Information

 

The SHRP2 L14 project has three objectives: 1) quantify the potential for improvements in the communication of travel reliability information to affect traveler choices such that positive impacts on system performance occur, 2) develop a lexicon for communicating travel time reli

Learn More
Research

Evaluation and Performance Measurement of Congestion Pricing Projects

This report examines the state of the practice and presents guidelines on the performance measurement and evaluation of congestion pricing projects. Congestion pricing projects include variably priced managed lanes (HOT or Express Toll Lanes), toll facilities with variable pricing, and cordon or

Learn More
Research

Active Traffic Management for Arterials

This synthesis documents the state of the practice associated with designing, implementing, and operating ATM on arterials. Of particular interest to this study has been information on strategies used to actively manage traffic and congestion on arterials; situations and operating conditions in w

Learn More
Research

User’s Guide to Develop Highway Safety Manual Safety Performance Function Calibration Factors

The objective of this task was to provide step by step instructions for developing calibration factors for use with the Highway Safety Manual (HSM) safety performance functions. Tasks included the following: Review Part C and Appendix A, Volume 2 of the Highway Safety Manual; Review current literat
Learn More
Research

National Training: Challenges and Opportunities

The project identified (1) the issues and challenges faced by highway agencies related to training of workforce, (2) the opportunities that exist to address these issues and challenges, and (3) ideas and action items that, if pursued, would improve national training opportunities. This information
Learn More
Research

Improving Our Understanding of How Highway Congestion and Pricing Affect Travel Demand

This project was carried out to review and advance the state of the practice in modeling the effects of highway congestion and highway pricing on travelers decisions, including the choice of facility, choice of route, choice of mode and choice of departure. Important findings are related on how d

Learn More