Interstate 90 on the east side of Snoqualmie Pass will close tonight to traffic in both directions from 7:30 to 9:30 p.m. to allow for rock blasting.
The closure is part of a larger project to improve I-90 to three lanes from Hyak to Keechelus Dam over the next several years.
Short-term blasting closures are expected during evening hours on Mondays and Thursdays during the next several months.
Backups of a mile or two are anticipated.
In addition, nighttime travel will be restricted to one lane in each direction tonight through Saturday morning. The restrictions will run from 8 p.m. to 9 a.m. each night. Loads wider than 12 feet are prohibited during those hours as well tonight through Saturday morning.
I-90 is also closed to bicycle travel between Hyak and the Stampede Pass interchange at milepost 62. The John Wayne Pioneer Trail provides an alternate route.
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