• Mount Rainier peeks through clouds, viewed across subalpine wildflowers and glacial moraine.

    Mount Rainier

    National Park Washington

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Planned Micro-surfacing of State Route 123 in Mount Rainier National Park

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Date: August 6, 2012
Contact: Eric J. Walkinshaw, Project Manager, Mount Rainier National Park, 360-569-6713
Contact: Kris Olsen, WSDOT Communications , 206-440-4475 (Seattle)

Mount Rainier National Park Superintendent Randy King, Washington State Department of Transportation and Federal Highway Administration officials announce micro-surfacing of a 7 mile section of State Route (SR) 123 from Cayuse Pass (intersection with SR410) south is scheduled to begin August 6, 2012 with contract completion on or before August 16, 2012.

Granite/International Slurry Seal will be performing the work and crews will be working Mondays through Fridays, with no weekend work anticipated.

During this period visitors should anticipate 15 minute delays Mondays through Fridays.

SR 123 serves the east side of the park, extending for approximately 20 miles from the intersection of U.S. 12 to the south to the intersection with SR 410 on the north at Cayuse Pass. SR 410 also serves the east side of the park, extending from SR167 near Sumner, WA, east 107 miles over the Cascade Range at Chinook Pass to the intersection with U.S. 12, 4 miles west of Naches, WA. SR 410 is one of five state highways that connect the Puget Sound area with eastern Washington. SR 410 is closed at the park boundary during the winter months, approximately early December to late May.

Updated information on this project may be obtained by calling Mount Rainier National Park at 360-569-6713. Information on this project, as well as general park information, is also available on the Mount Rainier National Park website.


NOTE: Drivers can now get real time traffic and weather information by dialing 5-1-1 from most phones. This new traveler information system builds upon the highly successful Washington State Highway hotline that manages 4.6 million calls each year. Callers can also use 5-1-1 to get statewide construction, mountain pass conditions, and state ferry system information, as well as toll free numbers for passenger rail and airlines. TTY users can call 1-800-833-6388. 


Did You Know?

The toe of Carbon Glacier appears dirty as it is covered in silt. Mount Rainier is in the background.

Carbon Glacier, on the north side of Mount Rainier, comes to the lowest elevation of any glacier in the lower 48 states at 3500 feet. It is also Mount Rainier's thickest glacier, one section being nearly 700 feet thick.