(Updated at 2:15 p.m.) The ramp from northbound I-395 to the northbound GW Parkway, just prior to the 14th Street Bridge, is blocked due to a crash.
Initial reports suggest the crash involves an overturned vehicle. Police and firefighters are on the scene.
No word yet on injuries.
Several lanes of northbound I-395 are also closed due to the emergency activity. Traffic on I-395 is heavy approaching the bridge and the crash.