Beginning 5 a.m. Monday, July 29, the Joint Base Lewis-McChord DuPont gate will close to all traffic. The gate will reopen 5 a.m. Monday, Aug. 5 The closure allows crews continue to major efforts improve access to and from JBLM. The temporary DuPont Gate closure does not affect other JBLM gates.
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
Temporary closure of JBLM’s DuPont Gate July 29 – Aug. 5 for road construction
Beginning 5 a.m. Monday, July 29, the Joint Base Lewis-McChord DuPont gate will close to all travelers. The gate will reopen 5 a.m. Monday, Aug. 5 The closure of this gate allows crews to continue improve access to and from JBLM. The temporary DuPont Gate closure does not affect other JBLM gates.
Travelers will want to plan to take alternate routes and allow for additional travel time during the closure. The closure allows crews to shorten the overall construction timeline, shortening the length of traffic disruptions.
I-5 lane closures
Travelers can expect regular night lane closures on both directions of I-5. 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.
Pendleton Avenue night closures on JBLM have been cancelled
A series of Pendleton Avenue night closures on JBLM have been cancelled. Pendleton Avenue at I-5 will remain open.
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.
