It is a hard-surfaced, non-motorized trail located on the Pacific Northwest Traction right-of-way, a route used until 1939 by the Interurban Railroad between Seattle and Bellingham.

[2] From north to south, the trail takes the following route: In 1910, The Seattle-Everett Interurban Railway began electric passenger service.

[8] Interurban Car 55 is a restored trolley from this route, and is located at Heritage Park, east of Interstate 5 on Poplar Way in Lynnwood next to The Wickers Building, which is now the Transportation Museum.

The building was originally located along the rail line and includes an exhibit on its history.

[11] On the northern portion of the trail, an overpass over Interstate 5 near 128th Street and an extension into downtown Everett was proposed.