Operations Performance Measurement Program
photos of traffic merging on a multi-level freeway interchange, traffic near a construction zone, variable message sign, train at a crossing, traffic on a river bridge, and a rural highway
21st Century Operations Using 21st Century Technologies

Operations Performance Measurement Research

A comprehensive listing of travel time reliability research can be found at TRB's Research in Progress database. Simply type "travel time reliability" in the Search box.

PDF files can be viewed with the Acrobat® Reader®.

Office of Operations