[2][3] The path uses the Harbor Subdivision freight-train right-of-way along Slauson Avenue and Hyde Park Boulevard.

[4][needs update] A potential future extension project, the Rail to River Active Transportation Corridor Project, known as Segment B, would run through some combination of Gateway Cities Huntington Park, Vernon, Maywood and Bell to reach the Los Angeles River bike trails.

[4] Segment A will begin at the K Line's Fairview Heights station on the border of Inglewood and the city of Los Angeles.

It will then briefly head north along West Boulevard before turning east along 67th Street.

Segment B will begin at the A Line's Slauson station and curve southeast to follow the La Habra Subdivision right-of-way in between Randolph Street and would run through some combination of Gateway Cities Huntington Park, Vernon, Maywood and Bell to reach the Los Angeles River bike trails.