The snow emergency goes into effect at 9:30 a.m. in the District. A violation involves a $250 ticket plus towing and storage fees.
Mayor Muriel Bowser's Vision Zero action plan highlights some interesting stats: taxi drivers were involved in 2,000 crashes over the past five years and 15 major roadways in the District are dangerous territory for pedestrians and bicyclists.
The tech giant initially rejected Charles Yeh's app. A week later, following a Post report, Yeh received a notice from Apple that it had been approved.
D.C. Del. Eleanor Holmes Norton (D) says lengthy and unannounced closures around the White House affect too many pedestrians and bicyclists and are unacceptable.
Metro warned customers on Wednesday that several service changes are planned for Thursday, when a winter storm could bring several inches of snow to the area.
Use the Post's pothole tracker to report a problem on your street.
Snow is expected to fall for several hours.
Five people suffered injuries in the crash.
According to new Census Bureau data, 4.5 percent of D.C. working residents commuted by bicycle in 2013. That is up from 4.1 percent in 2012 and from 2.2 percent in 2009.
About 20 D.C. locations are participating in the annual worldwide event that raises awareness of the need for more parks and public spaces in cities. Expect a shortage of metered parking spots in some areas.