2026-07-06 19:34:35 Pepco construction expected to disrupt traffic in Rockville – NEW WTOP Skip to main content

Pepco construction expected to disrupt traffic in Rockville

Drivers in Rockville, Maryland, can expect travel disruptions starting Monday due to the construction of a new electrical substation.

Work on a new Pepco Substation will begin on Randolph Road and is expected to continue through early 2022. It will extend from Parklawn Drive to Nebel Street. Construction will include excavation and installation work.

Drivers going through the area should plan for alternative routes.

Pepco and the Montgomery County Department of Transportation’s traffic control plan will allow eastbound traffic only on Randolph Road. Westbound traffic will be detoured to Parklawn Drive and to Rockville Pike (Maryland state Route 355)

Sidewalks on Randolph Road will remain open through construction.

The work is expected to last six months, but it may be extended depending on weather and other issues.

Below is the area of construction.

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