The bidirectional escalator

Bidirectional escalator comprising: an upwardly escalator (100A) comprising a support structure (1), steps (14), handrails (15) and a step-up drive unit comprises (3; 33; 23); a down escalator (100B) comprising a support structure (1), steps (14), handrails (15), a step-down drive unit, wherein the up escalator (100A) and the downward traveling (5; 35; 25) escalator (100B) parallel to each other and arranged side by side; a prime mover which the upward drive unit (3; 23; 33) and the downward-drive unit (5; 25; 35) drives at the same time and a controller control unit which controls operation of the prime-mover / governs characterized in that the drive machine an electric motor (2; 22; 32); and a reduction gear unit (8; 28; 38), which with the electric motor (2; 22; 32) and a first output shaft (6; 26; 36) and a second output shaft (7; 27; 37).