Portland's Southbound I-5 Closes Sept. 11 for 5 Weeks

Portland's southbound I-5 closes Sept. 11 for 5 weeks

The closure is part of the I-5 Rose Quarter Improvement Project. Crews will repair and reinforce weak areas, replace bridge joints, repave the surface and repaint lane lines on the interstate.

Expect 2- to 3-times longer commutes as agencies urge alternate routes during I-5 shutdown

With a month to go before an extended shutdown of southbound Interstate 5 through Portland’s Rose Quarter, here's what to know.