Sound Barriers and Noise Reduction

As more motorists use the highways, the sounds generated can annoy nearby residents. The Maryland Department of Transportation State Highway Administration (MDOT SHA) can reduce the impact of highway traffic noise on communities eligible for help under federally regulated criteria. Here are considerations for your community that borders a State highway.

Highway Traffic Noise

Information on sound and noise, causes of traffic noise, reducing traffic noise, and sound barriers.

Highway Traffic Noise Analysis

Environmental policy, highway traffic noise analysis and highway traffic noise measurement.

Type I Sound Barrier Program

Construction of sound barriers along new highway construction and when an existing highway is expanded.

Type II Sound Barrier Program

Situations where most homes pre-date construction of an existing highway.

Learn more by reading our Sound Barrier Policy.

Ask for help with highway traffic noise near you

To discuss solutions for highway traffic noise affecting your community, provide details on our Customer Care Request for Service. We will investigate and reply to you.

For additional questions, contact us at

Office of Highway Development
Maryland State Highway Administration
707 North Calvert Street
Baltimore, Maryland 21202