Downtown streets reopen

12:15 p.m. Update: DDOT says the suspicious package has been cleared and that streets are reopening. Expect delays to continue for a while.

11:33 a.m. Update: Authorities remain on the scene. Westbound K Street is still clogged and delays on 14th extend to Pennsylvania Avenue.

11:10 a.m. Update: The District Department of Transportation says K Street is closed from 13th to Vermont Avenue and L Street is closed from 14th Street to Vermont Avenue.

Original post: 14th Street in Northwest Washington is closed beginning at I (Eye) Street while police investigate a suspicious package. Traffic near Franklin Park is heavy and delays in the vicinity are building.

The Post's Mark Berman reports that eastbound K Street is severely backed up as well. Delays extend to 19th Street, he says. H Street, Rhode Island, New York and Massachusetts are all preferable alternatives.