Delays on Metro's Blue and Yellow lines for riders. Trains are sharing a track between Arlington Cemetery and Pentagon City.
MD 202 in Prince George's County has all westbound lanes blocked. There is a light pole in the road.
The ground stops were prompted by severe weather in the region.
With the "Zone Pass," Uber customers pay an up-front $30 fee that will allow them to pay $1 apiece for 20 rides in August.
The signing is the capstone of a years-long process of working to meet federal construction grant guidelines for design and funding.
A private operator would have the option of collecting higher tolls from tractor-trailers.
Virginia transportation officials have approved 10 programs to ease traffic inside the Beltway.
The agency says it will use the trip data to improve service.
In the July 5 incident, a Red Line train ran through a red signal, continued past a switch and headed into the direction of an oncoming train.
Purple Line design critics ask: Could an improvement for commuters be a blow to local businesses?