United Kingdom planned and proposed monorail lines. Future monorail routes and elevated transit expansion projects before construction begins.
United Kingdom 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 Kingdom has 218 proposed railway segments including 159 railway, 37 tram, 3 metro and 19 light rail.
Last update: 2026-07-24