See interactive map here
From the Mayor’s Office:
“Mayor Muriel Bowser has declared a Snow Emergency in Washington, DC beginning at 9:00 a.m. on Sunday, January 31 and going until 6:00 a.m. on Tuesday, February 2. The District Snow Team is deploying at 2:00 a.m. on Sunday, January 31 in preparation for snow starting early Sunday and perhaps continuing into Tuesday, and the Snow Emergency will allow plow drivers to clear snow emergency routes curb to curb.
While the snow emergency is in effect, motorists may not park on snow emergency routes and vehicles parked on these routes may be ticketed and towed. Find a map and list of the snow emergency routes at snow.dc.gov.”