Drivers in Rockville, Maryland, will have a chance to catch their breath before work on a new Pepco Substation begins and disrupts traffic through early 2022.

The construction, which will shut down a stretch of westbound Randolph Road, was supposed to begin Monday. A Pepco spokesman told WTOP that work has been pushed back to Aug. 30.

Closures on Randolph Road will extend from Parklawn Drive to Nebel Street. Drivers going through the area should plan ahead and consider an alternative route.

Eastbound traffic will be open on that stretch of Randolph Road and westbound traffic will be diverted to Parklawn Drive and to Rockville Pike (Maryland state Route 355). Sidewalks on Randolph road will stay open.

The work is expected to last at least six months.

Below is the area of construction.

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WTOP’s Abigail Constantino contributed to this report.