Mountains to Sound Greenway Trail
To make it easier and safer for cyclists and pedestrians to get around Eastgate, the City of Bellevue is considering building an east-west multi-use trail that would extend the Mountains to Sound Greenway through the area. With a $158,312 grant from the Federal Highway Administration, the city is studying a trail alignment along the south side of Interstate 90.

The Mountains to Sound Greenway is a 100-mile regional trail system that connects the Seattle waterfront with Central Washington. The trail system is used by pedestrians and bicyclists for recreation and community purposes. The 3.6-mile trail being studied would close a gap in the Greenway between Factoria Boulevard and Lakemont Boulevard. The alignment was chosen as part of a study of the entire Eastgate/I-90 corridor, the Eastgate/I-90 Land Use and Transportation Project. The grant for the trail study was awarded through the National Scenic Byways program.
Project Scope
To include stakeholder involvement (Mountains to Sound Greenway Trust, state Department of Transportation, King County, trail users, adjacent businesses), the trail design project study, to be completed this year, will yield:
- Right of way needs and permit requirements;
- Environmental impacts;
- Cost estimates;
- A detailed description of the trail alignment;
- Recommended design standards;
- Implementation strategy that includes steps for each phase of future trail development; and
- Potential funding sources and a financing plan.
Background
There are a number of barriers for cyclists and pedestrians in the Eastgate/I-90 corridor, notably the gap in the the MTS Greenway. Many ideas were considered as part of the Eastgate/I-90 Land Use and Transportation Project on how to address the “Eastgate Gap.” Community input represented an important consideration in the assessment of trail alignment options.
On July 26, 2011, Bellevue staff held an outreach ride for residents to experience first-hand what it is like to ride a bike along the missing link in the Greenway. An online questionnaire was sent to cyclists who joined the ride to obtain input and reactions on their experience with the present state of the corridor and future development of the trail.
Input from this process is summarized in the Outreach Bike Ride Summary Report. Responses during the ride and in the online questionnaire indicated that riders prefer the southern alignment because it is the most direct and continuous route. Input from this process prompted the project’s Citizen Advisory Committee to endorse the pathway depicted in the proposed Mountains to Sound Greenway alignment.