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Corridor Maps

Portions of SR 99 being studied

We have broken the study corridor into three segments:

  • Segment One: SR 99 from 168th Street to 148th Street
  • Segment Two: 148th Street to Lincoln Way
  • Segment Three: Lincoln Way to Airport Road
An aerial photo showing Segment One of the study corridor from 168th Street to 148th Street. Land use surrounding the corridor in this area is mostly residential with some industrial
Segment One: SR 99 from 168th Street to 148th Street

This section has three lanes of traffic in each direction, a two-way left turn lane, and a sidewalk on both sides of the street.

An aerial photo showing Segment Two of the study corridor from 148th Street to Lincoln Way. Land use surrounding the corridor is a mix of residential and commercial and the SR99 and SR 525 interchange is in the middle of this segment
Segment Two: 148th Street to Lincoln Way

This section has two lanes of traffic in each direction, wide shoulders on both sides of the roadway, and a two-way left turn lane. There are several locations along this segment that are missing sidewalk on one or both sides of the roadway, particularly through the SR 525 interchange, please see the “Existing Conditions” section for more details.

An aerial photo showing Segment Three of the study corridor from Lincoln Way to Airport Road. Land use surrounding the corridor in this area is a mix of commercial, residential, and industrial
Segment Three: Lincoln Way to Airport Road

This section has two lanes of traffic in each direction, wide shoulders on both sides of the roadway, and a two-way left turn lane. There are locations along this segment where sidewalk is missing on one side of the roadway, please see the “Existing Conditions” section for more detail.