A water main break around 7 a.m. Tuesday on Route 236 and Willow Run Drive has caused road closures in the left eastbound lanes. The right lane of the road is still accessible at this time, according to a Fairfax County Traffic Alert.

Another water main break was reported around the same time on northbound Route 1 and North Kings Highway. Two right lanes are currently closed.

Delays are expected through morning rush hour. Motorists are asked to seek alternate routes to their destinations.