This report evaluates the effectiveness of various best management practices (BMPs) for controlling highway runoff pollution. It addresses the need for improved water quality in receiving waters impacted by transportation infrastructure, presenting a comprehensive review of existing BMPs and their performance data. The report aims to provide highway agencies with the information necessary to select and implement the most suitable BMPs for their specific project needs and environmental conditions.

This report is regarded as a foundational document for transportation agencies seeking to manage stormwater runoff from highways. It synthesizes a significant body of research and practical data, offering a systematic approach to BMP selection and implementation. The authority perspective is that this work provides essential technical guidance for engineers and planners tasked with environmental compliance and water quality protection in highway development and maintenance.