• Project

SR 520 I-5 Express Lanes Connection Project

Project overview

The SR 520/I-5 Express Lanes Connection Project will create a dedicated reversible transit and carpool connection between SR 520 and the I-5 Express Lanes, along with a reversible transit/carpool ramp at the I-5/Mercer Street interchange.

Timeline
August 2021 - 2024
Project status
Construction
Funding
$68 million
Project hotline

What to expect

The lane reductions on the westbound SR 520 off-ramp to southbound I-5 and on the I-5 Express Lanes will continue through at least March 2024.

Area map of SR 520/I-5 Express Lanes Connection Project in Seattle.