I-5 Construction Washington Construction | I-5 Exit Guide

New Lane Construction Requires Closures on I-5 in Washington

The Washington Department of Transportation reports the following traffic impacts associated with the I-5 Mounts Rd to Center Dr. – Auxiliary Lane Extension construction project (mileposts 116.3 to 118.5).

Crews are building a new auxiliary lane on northbound I-5 between Mounts Road and Center Drive.

Work Schedule: Northbound I-5 between Mounts Road and Center Drive will have up to three lanes closed each night for striping:

  • 8 p.m. to 5 a.m. each night from Monday, March 12, through Wednesday, March 14
  • 10 p.m. Thursday, March 15, to 5 a.m. Friday, March 16
  • 8 p.m. Friday, March 16, to 8 a.m. Saturday, March 17

Northbound I-5 ramp closures

The following ramps will close Monday through Thursday between 11 p.m. and 4 a.m., and on Friday from 11 p.m. to 6 a.m. Saturday, March 17.

  • Mounts Road on-ramp to northbound I-5
  • Northbound I-5 exit to the Mounts Road weigh station
  • Northbound I-5 exit to Center Drive (exit #118)
  • Center Drive on-ramp to northbound I-5

Southbound I-5 lane and ramp closures

  • Lane closures on southbound I-5 near Mounts Road are scheduled each night next week from 9 p.m. to 6 a.m. for pavement repair. The Mounts Road on-ramp to southbound I-5 will close from 11 p.m. to 5 a.m. each night.

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