Mountain pass conditions: Chains required on Stevens and Snoqualmie Passes

Chains were required for drivers traveling both east and west through Stevens Pass and Snoqualmie Pass after heavy mountain snow accumulated overnight into Tuesday morning. Some restrictions have been lifted as the conditions have improved.

According to the Washington State Department of Transportation (WSDOT), there is compact snow and ice on the roadway, which is creating difficult driving conditions on Stevens Pass. For Snoqualmie Pass, there is compact snow and ice on the roadway as well.

Oversized vehicles are prohibited on both passes. 

STEVENS PASS

WSDOT says chains are required on vehicles over 10,000 gross vehicle weight. For other vehicles, traction tires are required. These restrictions are for both east and westbound traffic.

All oversized vehicles are prohibited in both directions.

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SNOQUALMIE PASS

WSDOT says chains are required on all vehicles except all-wheel drive. These restrictions are for both east and westbound traffic.

Oversized vehicles are prohibited. 

This is a developing story, check back for updates.