A water main break on Wisconsin Avenue in Chevy Chase is expected to create significant delays in the area this morning. 

The water main break happened around 7 p.m. on Wednesday in the 5500 lane of Wisconsin Avenue. Two southbound lanes have been closed to traffic. 

Crews are expected to work on repairing the break through the morning rush. Drivers are encouraged to find an alternate route. 

No customers have been affected by the incident.