When the forecast calls for snow or ice,

here's what you can generally expect around the DC Metro region...


 

 

 

 

 0 - 4 Inches

 4 - 8 Inches

 8 - 12 Inches

 12 - 18 Inches

 

 18 - 24 Inches

 Freezing Rain or Ice

WINTER WEATHER ADVISORY

Slippery roads!

MAJOR ROADS

Less than 2 inches: salting completed within 4 hours after the end of each storm.

Over 2 inches: continuous plowing and salting. Plowing to bare pavement completed up to 12 hours after end of storm.

RESIDENTIAL STREETS

Less than 2 inches: salting and sanding where needed, completed within 12 hours after end of storm.

Over 2 inches: plowing begins as needed, up to 12 hours after the end of storm. Plowing completed up to 24 hours after end of storm.

BUS AND RAIL ROUTES

Metrorail: normal operations

Metrobus: normal operations

Metro Access: normal operations

Metro Parking: 5% fewer spaces

Transit Buses: normal operations

VRE & MARC: normal operations

WINTER STORM WARNING

Some Hazardous Roads!

MAJOR ROADS

Continuous plowing. Through lanes plowed to bare pavement up to 12 hours after end of storm.

RESIDENTIAL STREETS

Plowing begins up to 12 hours after storm ends. Streets passable* up to 24-36 hours after end of storm.

BUS AND RAIL ROUTES

Metrorail: normal operations

Metrobus: detours around hilly areas, with delays

Metro Access: some delays

Metro Parking: 10% fewer spaces

Transit Buses: service on snow routes only, minor delays

VRE & MARC: normal operations

WINTER STORM WARNING

Hazardous roads!

MAJOR ROADS

Continous plowing. Through lanes plowed to bare pavement up to 24 hours after end of storm.

RESIDENTIAL STREETS

Plowing begins up to 24 hours after end of storm. Streets made passable* (but not cleared to bare pavement) up to 48 hours later.

BUS AND RAIL ROUTES

Metrorail: six-car trains, delays between trains

Metrobus: service on snow routes only; major delays

Metro Access: very limited service; major delays

Metro Parking: 25% fewer spaces

Transit Buses: service on snow routes only; minor delays

VRE & MARC: modified schedule, reduced service, delays

WINTER STORM WARNING OR BLIZZARD WARNING

Hazardous Roads!

MAJOR ROADS

Through lanes plowed to bare pavement up to 24-36 hours after storm ends. Expect narrowed and/or blocked lanes due to accumulations.

RESIDENTIAL STREETS

Plowing begins up to 36-48 hours after storm ends. One lane will be made passable* 2-3 days later. Expect snow-packed roads.

BUS AND RAIL ROUTES

Metrorail: six-car trains only; major delays between trains

Metrobus: limited service on snow routes

Metro Access: very limited service; major delays

Metro Parking: 40% fewer spaces

Transit Buses: service on snow routes only; major delays

VRE & MARC: modified schedule, reduced service, delays

 

 

BLIZZARD WARNING

Treacherous roads!

MAJOR ROADS

Through lanes plowed to bare pavement up to 36-48 hours after storm ends. Narrowed and/or blocked lanes due to heavy accumulations.

RESIDENTIAL STREETS

Plowing begins 48 hours after storm ends. One lane will be made passable* 2-4 days later. Some roads may be impassable for longer periods. Expect snow-packed roads.

BUS AND RAIL ROUTES

Metrorail: limited service above-ground. If only underground service, it is limited to Red: Grosvenor to Union Station; Blue: Rosslyn to Stadium Armory. Orange: Ballston to Stadium Armory; Yellow: L'Enfant Plaza to Mt. Vernon Square/UDC; Green: U St. to Anacostia.

Metrobus: limited service on snow routes only; major delays

Metro Access: very limited service

Metro Parking: 60% fewer spaces

Transit Buses: limited service on snow routes

VRE & MARC: modified schedule, reduced service, delays

WINTER WEATHER ADVISORY FOR FREEZING RAIN OR ICE

Very Treacherous Roads!

MAJOR ROADS

Continous salting and/or sanding until road conditions improve. Bridges, ramps, underpasses freeze first. Possible traffic signal outages and tree limbs in roadway.

RESIDENTIAL STREETS

Sanding and/or salting begins up to 24 hours after storm ends as needed. Possible traffic signal outages and tree limbs in roadway.

BUS AND RAIL ROUTES

Metrorail: expect delays at above-ground stations

Metrobus: normal service depends on severity of road conditions

Metro Access: normal service depends on severity of road conditions

Metro Parking: 5% fewer spaces

Transit Buses: normal service depends on severity of road conditions

VRE & MARC: normal operations

 

*Passable means that the roads will be snow packed, only one travel lane will be plowed, and all-weather tires are a must.