Nightly I-5 lane closures in both directions Jan. 6-8 starting at 7:30 p.m. between Mounts Road (MP 116.4) and North Thorne Lane SW (MP 124). Lanes reopen to traffic by 4:30 a.m. each morning. The overnight closures will allow crews to set bridge girders, pave, and stripe in preparation for an upcoming traffic shift.
Project overview
This project is intended to help relieve chronic traffic congestion and improve mobility along I-5 near Joint Base Lewis-McChord. Crews will rebuild the Steilacoom-DuPont Road (Exit 119) interchange and extend I-5 HOV lanes to Mounts Road.
What to expect
Travelers on Joint Base Lewis-McChord who use Pendleton Avenue below I-5 are encouraged to plan for a series of night closures.
9 p.m. to 4 a.m. each following day through Monday, Jan. 6
- Pendleton Avenue between West Way and Main Street will close.
- A signed detour will be provided.
- No work scheduled Christmas Eve, Christmas Day, News Years Eve, New Years Day
I-5 work
Crews have created a new work zone in the I-5 median. The new work zone allows crews to build new northbound and southbound I-5 HOV lanes.
Work also continues on a new I-5 bridge over Pendleton Avenue. Crews also will continue building a new Steilacoom-DuPont Road interchange and a connecting roundabout from Steilacoom-DuPont Road.
I-5 lane closures
Travelers can expect regular night lane closures on both directions of I-5. People can expect night lane closures as early at 7 p.m. between Center Drive and 41st Division Drive. The lane closures generally are planned each Monday through Thursday night.
Ramp closures
Ramps will close no earlier than 7 p.m. and will reopen by 4:30 a.m. the next morning. No more than two consecutive ramps will close at a time. A signed detour will direct drivers to the next nearest on- or off-ramp.
Mounts Road
Crews are building a new traffic signal at the southbound I-5 exit to Mounts Road. The traffic signal will be activated during late 2025.
The project will add HOV lanes to both directions of I-5.
Crews will rebuild the Steilacoom-DuPont Road interchange.The new interchange will connect to Steilacoom-DuPont Road near Pendleton Avenue. Workers will replace the existing at-grade railroad crossing. Crews will build a new bridge. It will carry travelers over the tracks.
