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Research

Making Transportation Tunnels Safe and Secure

Mitigation countermeasures are presented for threats related to crime and terrorism and hazards related to natural events
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Research

Managing Change in State DOTs - Scan 4 of 8: Innovations in DOT Communications, Image, and Positioning

This report examines state DOT communications (internal and external), image (what people think of the agency), and positioning (the ways DOTs choose to gain support and funding for programs and projects). Those agencies that were most advanced focused on improving both internal communications wi

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Research

Measuring and Communicating the Effects of Incident Management Improvements

Measuring and Communicating the Effects of Incident Management Improvements, (Cambridge Systematics). This study has developed a summary of best practice for measuring and communicating the effects of incident management programs.
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Research

Measuring Cement Particle Size and Surface Area by Laser Diffraction

The objectives of this research were to (1) evaluate the practicality and effectiveness of the laser diffraction method to measure the particle size distribution and total surface area of cement powder compared to current methods in use by the state DOTs and (2) prepare a test method to measure part
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Research

Methods for Estimating the Benefits for Winter Maintenance Operations

The project is complete. The research identified an approach for estimating the benefits of winter maintenance operations in terms of increased safety, reduced travel time, and reduced fuel usage and discussed the limitations of the approach. In addition, data from a state highway agency was used
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Research

Multi-Level Linear Referencing System (MLLRS) Cost - Benefit Value Analysis Study

To develop a Value Analysis Study Report and supporting products to quantify linear referencing system implementation impact on cost savings, time savings, performance/cost value index, and return on investment. Tasks included the following: · Provide a Certified Value Specialist (CVS) tea
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Research

Multi-State Transportation Operations Program: Status & Critical Issues

This study organized and documented national knowledge about MSTOPS to prepare a foundation for further research and training. A workshop was held in June 2004 to gather the knowledge.
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Research

National Infrastructure Protection Plan (NIPP) Security and Resilience Challenge

hrough the NIPP Security and Resilience Challenge, the Office of Infrastructure Protection, within the Department of Homeland Security’s National Protection and Programs Directorate, in partnership with the National Institute for Hometown Security (NIHS), provides an opportunity fo

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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
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Standards & Recommended Practices

Operation of Traffic Signal Systems in Oversaturated Conditions

This research project included work in several areas related to the operation of traffic signal systems in oversaturated traffic conditions. Some of the strategies and methods addressed in the guide include metering, gating, turn restrictions, dynamic lane control or assignment, offset weighting,

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