Authorities said several vehicles were involved in the crash.
The Metro board will vote next Thursday whether to eliminate the RAC in favor of an online survey platform.
Part of Rockville Pike in Montgomery County is closed after a pedestrian was struck by a vehicle.
The plan, which includes more than 600 road and transit projects, also envisions a future that could include building out the National Capital Trail and turning it into a "beltway" for bicycles.
Officials are warning that recovery could be long and expensive.
A goat stopped traffic in Germantown, Md.
For riders, automated trains will eliminate herky-jerky rides and shave a few seconds off each trip.
Drivers face delays as Shady Grove Road in Rockville area is closed after crash.
An Air India pilot decided the plane was fine and continued for hundreds of miles with debris wrapped around the landing gear and a gash in the fuselage.
Expect snarls elsewhere, too, as commuters adjust and span gets needed rehab.