Related Publications

Winter of 2007-2008: The Snow and Ice Challenge (.pdf 428kb)
The 2007-08 winter turned out to be anything but typical.
Multiple snow storms over many parts of the state combined
to make this winter one of the most challenging winters in
recent history.

December 2007 Storms: WSDOT Fights Rain, Wind and Snow (.pdf 1.1mb)
While 2006-07 winter hit early, hard and often, winter 2007-08 waited until December to make its full presence known. Heavy snows, followed by hurricane force winds and torrential rain devastated several western Washington communities.

Winter Summary October 2006-April 2007: Storms Take a Toll (.pdf 1.17mb)
Many of us will remember the winter of 2006-2007 for the frequency and variety of hard-hitting weather events that occurred.

Snow and Ice Program (.pdf, 394kb)
The Snow and Ice Program is WSDOT’s strategy to maintain the state highways for safe winter driving. This plan aids in the prevention of snow and ice buildup on the roadway and provides for the removal of snow and ice from the roadway when inclement weather arrives.

A Season of Innovation (2005-2006) (.pdf,.84mb)
A summary of the 2006 winter season and the challenges it presented.

Snoqualmie Pass
WSDOT and the Washington State Patrol (WSP) hosted a public meeting on November 14, 2006 to discuss winter operation methods, challenges, and an innovative approach to keeping Snoqualmie Pass open.


Mountain Pass Highway Opening and Closing dates
Historical opening and closing dates for North Cascades, Cayuse and Chinook Pass.