Update, 8:58 a.m.:

All lanes have been opened.

Update, 8:11 a.m.:

Lanes going south on Montana Avenue are open. One northbound lane remains closed.

Original post:

The 1800 block of Montana Avenue in Northeast is closed in both directions due to a missing manhole cover and a vehicle oil leak, police said.

Police said Montana Avenue is closed between 18th Street and the intersection of Montana Avenue NE and New York Avenue.

At 7:46 a.m. traffic access remained closed. Metrobus route E2 to Friendship Heights may experience delays.