• Anne Arundel County
• Arlington County
• Baltimore County
• City of Alexandria
• City of Rockville
• COMAR
• Fairfax County
• Virginia Department of Transportation – Highway Traffic Noise Impact Analysis Guidance Manual
• Howard County
• Loudoun County
• Montgomery County – Guidelines for Planning & Development
• Montgomery County – Noise Ordinance
• District of Columbia – Noise Control Act
• Maryland Department of Transportation State Highway Administration – Highway Noise Policy