Monitoring travel on the nation’s roadways is crucial for understanding the dynamics of the U.S. transportation system. This involves both broad assessments, such as calculating annual average daily traffic to report on vehicle miles traveled, and detailed analyses, like examining freeway operations on a minute-by-minute basis. TR Circular E-C292: Advancing Highway Traffic Monitoring Through Strategic Research: 2024 Update , from the Transportation Research Board, is a collaborative effort of over 60 spe…