A road closure is in effect near Grant Road. The incident occurred at the 20500 block of a major parkway, where lanes are shut down. Concrete debris has fallen onto the road, causing a hazard.

The cause of the debris is an impact involving a vehicle and an overpass. Authorities are on the scene, with deputies assisting. The state's transportation department has been notified to assess the situation.

Motorists are advised to find another route, as significant delays are expected. For more information, readers can consult the Montgomery County Police Reporter, which has details on the closure and any updates on the situation.