(COG Standard in Parenthesis) (Revised in DC Standard in Bold Italics)

Up to 2”of Snow	2-4” of Snow	4-8” Snow	8-12” of Snow	12- 18” of snow	18” or more of snow	Freezing Rain or ice With Less than 4” of Snow	Freezing Rain or ice Greater than 4” of Snow
Winter Weather Advisory	Winter Weather Advisory	Winter Weather Advisory	Winter Weather Advisory	Winter Weather Advisory	Winter Weather Advisory
Salting completed within 4 (4) hours after end of each storm	Continuous salting and plowing.  Plowing to bare pavement completed within 6 (12) hours after end of each storm	Through lanes plowed to bare pavement completed within 8 (12) hours after end of each storm.  All lanes, curb to curb, plowed to bare pavement within 12 (12) hours after the end of each storm	Through lanes plowed to bare pavement completed within 18 (24) hours after end of each storm.  All lanes, curb to curb, plowed to bare pavement within 24 (24) hours after the end of each storm.	Through lanes plowed to bare pavement completed within 24 (24-36) hours after end of each storm.  Some lanes will be narrowed and or blocked due to heavy accumulation.  All lanes, curb to curb, plowed to bare pavement within 24-36 (24-36) hours after the end of each storm	Through lanes plowed to bare pavement completed within 36 (36-48) hours after end of each storm.  Some lanes will be narrowed and or blocked due to heavy accumulation.  All lanes, curb to curb, plowed to bare pavement within 36-48 (36-48) hours after the end of each event	Continuous salting until road conditions improves.  Bridges, ramps and underpasses freeze first, Ice Ban treatment prior to storm (same)	Continuous salting and plowing until road conditions improves.  Bridges, ramps and underpasses freeze first, Ice Ban treatment applied prior to storm (same)