A 20-mile-long traffic backup is adding an extra two hours to the westbound journey across Snoqualmie Pass, the state Department of Transportation is reporting.
The traffic snarl began early Monday afternoon, and it is expected to last at least through later Monday night.
The state is advising motorists to consider taking White Pass or Chinook Pass to reach Western Washington instead of Snoqualmie Pass or Stevens Pass.
The backup is in an area that construction crews have been working to eliminate landslide risks on the highway. That construction had closed down the pass in recent weeks during a short period …