Working for a safe, affordable, vibrant, innovative, and interconnected city.
Learn More
I want to search within the following: This Department
Link to Transportation Home Page Link to Transportation Home Page Link to Transportation About Us Page Link to Transportation Contact Us Page
Delivering a first-rate transportation system for Seattle Scott Kubly, Director







Site Index

Construction Updates
Mercer West Dexter to 5th Avenue W
Project Background
Frequently Asked Questions
Contact Us

Mercer Corridor Project

If you need this information translated, please call (206) 733-9990.
Si necesita traducir esta información al español, llame al (206) 733-9990.

The Mercer Corridor stretches from Interstate 5 to 5th Ave. W, and has been one of the City of Seattle’s most significant transportation challenges for over 40 years. SDOT is committed to improving the Mercer Street Corridor by 2016.

Learn more about the Mercer Corridor Project or subscribe to email alerts.

Last updated  11/12/2015

Looking ahead

  • Adaptive signal control is under design and expected to be installed on Mercer Street in 2016. The new system will be more responsive to traffic conditions, but will still be limited by the capacity at the I-5 on-ramps during the peak periods.

Look at what we've accomplished so far! Read more here.


Subscribe to E-Mail Alerts

Get Updates About the Mercer Program


Subscribe (Join the list)

Unsubscribe (Remove me from the list)

Home | About Us | Contact Us | Site Index | News | FAQs | E-Mail Alerts