The westbound ramp on Interstate 90 at Exit 25, as well as two lanes of traffic will be affected by road closures starting at 6 p.m. today.

From 6 p.m. Wednesday, May 18 to 6 p.m. Thursday, the two right-hand lanes of westbound I-90 at SR 18 will be closed for concrete panel repair work.

From 7 p.m. Wednesday to 5:30 a.m. Thursday, the westbound on-ramp to I-90 will also be closed.

A detour route will be marked, directing traffic to take I-90 eastbound to exit 27, then turning to go back onto the highway, westbound. Drivers can also drive from Snoqualmie to North Bend to access I-90.