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Washington State Department of Transportation
Northwest Region – 15700 Dayton Avenue – Shoreline, WA 98133 – 206-440-4000
TRAVEL ADVISORY April 29, 2026
UPDATE: The collision has cleared and all lanes are now open on State Route 20/North Cascades Highway east of Conrad Road (milepost 101).
Contact: Lauren Padgett, communications, 425-563-8207 (mobile)
Both directions of SR 20 east of Conrad Road blocked Wednesday, April 29, near Marblemount after collision
MARBLEMOUNT – Both directions of State Route 20/North Cascades Highway east of Conrad Road (milepost 101) are blocked after a collision, Wednesday, April 29, west of Marblemount.
Emergency responders are on scene. There is no estimated time for when all lanes will reopen.
People should seek alternate routes.
Real-time travel information is available from the WSDOT mobile app, the WSDOT Travel Center Map or by signing up for WSDOT's email updates.
Hyperlinks within the release:
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WSDOT keeps people, businesses and the economy moving by operating and improving the state's transportation systems. To learn more about what we're doing, go to www.wsdot.wa.gov/news for pictures, videos, news and blogs. Real time traffic information is available at wsdot.com/traffic.
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