United States Proposed Monorail Lines — Planned Monorail Routes and Future Network Expansions

United States planned and proposed monorail lines. Future monorail routes and elevated transit expansion projects before construction begins.

United States monorail lines in planning or formally proposed but not yet under construction: new systems in cities considering elevated transit options, airport connector proposals and extensions to existing monorail networks. Viewing proposed lines alongside existing networks shows the intended direction of monorail system growth.

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