
The temporary roadway, as seen looking north from the South 320th Street bridge. The lanes are striped with solid white lines to prevent drivers from changing lanes in the work zone. The lanes split around the S. 320th median bridge supports.

Pouring panels of the retaining wall south of the South 317th bridge support on the west side of I-5. At the top of the photo you can see where crews have removed some of the southbound I-5 pavement.

Filling the area behind the South 317th bridge support on the west side of I-5. Crews have begun excavating for the second bridge support now that southbound traffic is out of the way on the temporary roadway.

Grading the right shoulder of southbound I-5 near South 317th Street.

Crews have quickly gone to work removing the 42-year-old southbound I-5 pavement. To the right, southbound traffic travels on the temporary roadway.

A 12,000-pound breaker begins demolishing southbound I-5 pavement now that traffic has been shifted to the temporary roadway in the median. The pavement will be removed and replaced to give drivers a smoother ride.

Crews excavating for the last of four new detention ponds on the project. This one is located on the west side of I-5, near the southbound exit to South 320th Street.

Construction of the retaining wall just south of the South 317th Street bridge abutment. Crews put up forms like these and then they'll pour concrete in around the steel reinforcement.

Crews striping the temporary roadway in the I-5 median. This view is looking north. Note the supports for the South 320th Street bridge just behind the truck in the photo. Two southbound lanes will run on each side of these bridge supports.

Crews finished paving the I-5 median October 1. In a couple of weeks, southbound I-5 traffic will be shifted to this temporary roadway.

Construction has begun on a new retaining wall just south of the South 317th Street bridge abutment on the west side of the freeway. The rebar has been placed, and concrete for the wall footing will be poured into the wood forms at the bottom.