Mountains to Sound Greenway Trail

The Mountains to Sound Trail Greenway is a 100-mile corridor along Interstate 90 that stretches from the Seattle waterfront to Central Washington. It features hiking and biking trails and a regional trail network used by pedestrians and bicyclists for recreation and transportation. The 3.6-mile trail project in Bellevue will close a gap in the trail between Factoria Boulevard and Lakemont Boulevard.

Background

In 2013, the city began the final design on the Greenway Trail between Factoria Boulevard Southeast and 150th Avenue Southeast. The design follows recommendations made in the Mountains to Sound Greenway Trail Design Study. The alignment was chosen as part of a study of the entire Eastgate/I-90 corridor. Sections of the trail in Bellevue include:

  • Interstate 405 to 132nd Avenue SoutheastProvides tunnel/bridge crossings over the I-90/I-405 ramp and Factoria Boulevard Southeast to ensure bicycle and pedestrian safety. Portions of the trail will be relocated to improve capacity for the eastbound I-90 off-ramp to Factoria.
  • Factoria to 150th Avenue SoutheastThis section will include a 12-foot-wide paved pedestrian and bicycle path on the north side of Southeast 36th Street. It will include walls, traffic signal modifications, new lighting and new pavement.
  • 156th Avenue Southeast to Southeast Lakemont BoulevardSection will include a new 12-foot-wide pedestrian and bicycle trail, along the south side of I-90.
Several ideas were considered as part of the Eastgate/I-90 Land Use and Transportation Project on how to address the “Eastgate Gap.” Community input and feedback indicated that bicyclists preferred the southern alignment because it is the most direct and continuous route. A citizen advisory committee endorsed the pathway depicted in the proposed Mountains to Sound Greenway alignment. The city, in partnership with the Mountains to Sound Greenway Trust, completed a design study of trail alignment along the south side of Interstate 90.

Schedule

  • Early 2019: Construction begins on I-405-132nd Ave. SE segment; completion scheduled for summer 2020

Funding

Construction funding for I-405 to 132nd Ave. SE segment is $15.3 million; funding for 132nd to 136th Ave. SE segment available in 2022; no construction funding available at this time for segment from 136th Place SE to Lakemont Blvd.

Background materials

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Contact

Chris MasekProject Manager

Telephone

425-452-4619

Email

cmasek@bellevuewa.gov

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