United States Proposed Tram Lines — Planned Streetcar Routes and Future Network Extensions

United States planned and proposed tram lines. Future streetcar routes and tram network extensions before construction begins.

United States tram and streetcar lines in planning or formally proposed but not yet under construction. Ranges from projects with approved funding and published design plans to early-stage corridor studies. Contributors tag proposed tram alignments in OpenStreetMap based on official transport planning documents and council decisions. Viewing proposed lines alongside the existing tram network shows the intended direction of surface rail investment.

United States has 899 proposed railway segments including 828 railway, 3 tram, 22 metro and 46 light rail.