The Montgomery County Department of Transportation (MCDOT) has reduced speed limits on 33 roads — mostly in residential areas — since July 2025, bringing the total to more than 250 neighborhood streets lowered since 2021. The reductions follow House Bill 562, which authorized the County to set local roadway speed limits as low as 15 mph. Affected streets span Bethesda, Clarksburg, Colesville, Gaithersburg, North Bethesda, North Kensington, North Potomac, Potomac, Rockville, Silver Spring, South Kensington, and Wheaton/Glenmont.
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Source: Montgomery County, MD, “Montgomery County Implements Reduced Speed Limits Around Residential Neighborhoods to Enhance Pedestrian Safety”, received Jul 20, 2026.
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