This report examines the condition, use, safety and funding needs of Idaho’s roads and bridges. Sources of information for this report include AAA, the AAA Foundation for Traffic Safety, the American Association of State Highway and Transportation Officials (AASHTO), the American Road & Transportation Builders Association (ARTBA), the Bureau of Transportation Statistics (BTS), the U.S. Census Bureau, the Federal Highway Administration (FHWA), the Idaho Transportation Department (ITD), the National Highway Traffic Safety Administration (NHTSA), the Texas Transportation Institute (TTI), the Transportation Research Board (TRB), and the U.S. Department of Transportation.
In addition to statewide data, the TRIP report includes regional data for the Boise, Coeur d’Alene and Idaho Falls areas. An urban area is defined as a region’s municipalities and surrounding suburbs for pavement condition and congestion data; bridge and traffic fatality data include a region’s major counties
Idaho Transportation by the Numbers News Conference – 03/19/2026