Mercer Corridor

Improving Mercer Corridor : Design

SDOT is moving full speed ahead with the design phase for Mercer. The final design is expected to be complete in the 1 st Quarter of 2009 and will then be routed for final approval and signatures from all departments and agencies. Construction advertisement expected on or before July 1, 2009. Physical construction is expected to begin late Summer 2009.

90% Design

SDOT completed the 90% design for the Mercer Corridor project in May 2008 and has been working toward 100% design completion since then. The design team incorporated input from the community and general public early in the design phase and has been working extensively with stakeholders from within SDOT, as well as with Seattle Public Utilities, Seattle City Light (SCL), Department of Planning and Development (DPD), Seattle Parks and Recreation, Seattle Fire Department, King County Metro, Washington State DOT, and a long list of private utilities located within the project area. Our design work has also required close coordination with several adjacent projects currently under construction, such as the Lake Union Park Redevelopment project, as well as with upcoming private development projects within the area.

The link below shows the 90% design layout for Mercer Corridor. Note that SDOT is currently designing Mercer Corridor to include an interim connection to Broad Street at 9 th Ave. We are working toward a solution to extend 2-way Mercer west of 9th Ave. all the way to Elliott Ave., however, this work is currently planned to be designed and constructed as part of a separate set of projects.

Click here to view the 90% design layout for Mercer Corridor.