Photo Gallery | I-5 – Mounts Road to Steilacoom-DuPont Road Corridor Improvements | Engage WSDOT - Online open houses

Aerial photo of southbound I-5, Mounts Rd. to Steilacoom-DuPont Road

The aerial shows where southbound I-5 narrows down from four lanes to three, just past 41st Division Drive.

Aerial photo of southbound I-5, Mounts Rd. to Steilacoom-DuPont Road

Aerial photo showing lextended HOV lane in both directions of I-5

Bike detour route map

On left, new overpass is part of the I-5 construction at JBLM and DuPont. New ramp includes a chicane to slow travelers down before merging. On right, design visualization showing how the chicane fits into the overall plan.

An aerial photo showing lane shifts on Interstate 5 and the Steilacoom-DuPont Road overpass. Girders will be set over I-5 just north of the existing overpass.

An aerial photo showing lane shifts on Interstate 5 at Pendleton Avenue. Southbound I-5 is shifted to the inside of the road while northbound I-5 is shifted to the outside.

Aerial photo showing locations of new Steilacoom-DuPont Rd overpass and ramps to and from I-5 and new Steilacoom-DuPont Rd roundabout

Aerial photo showing locations of future Steilacoom-Dupont Rd overpass, I-5 ramps and Steilacoom-Dupont Rd roundabout

Photo showing construction of the new wall between the Mounts Road exit and southbound I-5.