• June 29th, 2026

Our roads are both a source of and a conveyance system for pollutants to bodies of water via stormwater runoff. TRB Special Report 360: Managing Highway Stormwater Quality: Driving Progress focuses on engineering and infrastructure strategies to support state departments of transportation (DOT) decision-making regarding stormwater management approaches to comply with regulations. Administered by the U.S. Environmental Protection Agency (EPA), state permitting authorities identify each water body that does not meet a water quality standard due to pollutants.

Managing Highway Stormwater Quality: Driving Progress 2026