Research Search Results

Roadway infrastructure within the United States includes features such as roads, bridges, signs, pavement markings, traffic signals, support commerce and mobility, and is, in essence, a shared... Learn More

Collision between over-height vehicles and bridges is an ever increasing problem nationwide. The bridge community is in need of current state of the art means and methods of evaluation and in-place... Learn More

The AASHTO Technical Committee on Environmental Design (TCED) developed the AASHTO Guide for Visualization in Transportation in 2001 and updated it in 2003. The guide has provided valuable assistance... Learn More

The objective of this research was to review and update the information contained within the following AASHTO-AGC-ARTBA Joint Committee, Task Force 13 (TF13) publication ‘A Guide to Standardized... Learn More

The 1st Edition of the AASHTO Guide for the Planning, Design, and Operation of Pedestrian Facilities (AASHTO Pedestrian Guide) was published in 2004 and reflects the state of the practice in 2001 –... Learn More

In addition to recreational use, unmanned aircraft systems (UAS)—also known as unmanned aerial vehicles (UAV) or drones—are used across our Nation to support firefighting and search and rescue... Learn More

Adding transportation capacity improves safety, accessibility, and the economic health of a region but often comes with an economic, social, or environmental price. The public is aware of the price... Learn More

Nationally, there is an increasing need for DOT organizations to be more efficient with limited resources and a reduced workforce. One strategy that is being tried within some agencies is to cross... Learn More

The objective of this project was to evaluate the signing needed for effective wayfinding and consistency on co-designated numbered and/or named bicycle routes, specifically U.S. Bicycle Routes,... Learn More

TSM&O Research Coordination & Highlights of the 2016 TRB Annual Learn More