Novel urban mass transit system

The utility model provides a novel urban mass transit system includes the track traffic subsystem at least, the track traffic subsystem includes that bearing structure is assisted to locomotive, track, upward arm, track main tributary dagger are hung to traffic track, lower traffic track, power transmission line, power transmission line, bury two rows of track main tributary daggers underground along the track circuit direction, arrange track main tributary dagger top at each and respectively erect a lower traffic track, the track is assisted bearing structure and is frame type structure, establishes on track main tributary dagger along separating rack between the track circuit orientation, go up traffic track and connect frame on bearing structure is assisted to the track, set up downwards to be located down traffic track directly over, the power transmission line is hung the arm through the power transmission line and is hung frame on bearing structure is assisted to the track, sets up along the track circu