I-5 nighttime ramp and lane closures in DuPont from after Labor Day next week to Saturday

Washington State Department of Transportation (WSDOT) will close lanes and ramps on northbound Interstate 5 in DuPont between Center Drive and 41st Division Drive overnight the week of September 5.

According to its press release, lane and ramp closures will take place to allow pave paving and restripe the northbound I-5 off- and on-ramps at Center Drive and Steilacoom-DuPont Road for an upcoming traffic shift on the I-5 Mounts Road to Steilacoom-DuPont Road Corridor Improvements project.

“Work is weather dependent and subject to change,” said WSDOT.

Motorists are also asked to take note of the following lane and ramp closure schedules:

Lane closures with rolling slowdowns between Center Drive and 41st Division Drive
Northbound I-5 will be reduced to a single lane at the Steilacoom-DuPont Road interchange from:

• 7:30 p.m. to 4:30 a.m. each night, Tuesday, Sept. 5 through Thursday, Sept. 7.
• 11 p.m. Friday, Sept. 8 to 6 a.m. Saturday, Sept. 9.
  Rolling slowdowns will reduce traffic speeds from 11 p.m. to 4 a.m. each night, Tuesday, Sept. 5 through Friday, Sept. 8.

Ramp closures at Steilacoom-DuPont Road interchange

• The northbound I-5 off- and on-ramps at Steilacoom-DuPont Road will close from:
  7 p.m. to 4:30 a.m. each night, Tuesday, Sept. 5 through Friday, Sept. 8.
  8 p.m. Friday, Sept. 8 to 6 a.m. Saturday, Sept. 9.
• Travelers from Steilacoom-DuPont Road heading to northbound I-5 will follow a detour on southbound I-5 to the Center Drive off-ramp, then return north on I-5.
• Travelers on northbound I-5 wanting to exit at Steilacoom-DuPont Road will follow a detour to 41st Division Drive, then return south on I-5 to Steilacoom-DuPont Road.

Ramp closures at Center Drive interchange
The northbound I-5 general-purpose on-ramp and weigh station off-ramp at Center Drive will close from:

• 7 p.m. to 4:30 a.m. each night, Tuesday, Sept. 5 through Friday, Sept. 8.
  8 p.m. Friday, Sept. 8 to 6 a.m. Saturday, Sept. 9.
• The on-ramp will not be closed when used as a detour for the Steilacoom-DuPont Road on-ramp.
• Travelers from Center Drive heading to northbound I-5 will follow a detour on southbound I-5 to the Mounts Road off-ramp, then return north on I-5.
• The weigh station at Center Drive will be closed.