Lucknow Metro is a Mass Rapid Transit System (MRTS) being constructed for the city of Lucknow in the state of Uttar Pradesh. Lucknow Metro Rail Corporation Ltd is implementing this project. Lucknow Metro corridor will be built in four phases covering 140 km over 25 years. The project envisage two corridors, from North to South and East to West. Recently, the LMRC has completed laying one side track on Mawaiya's special span, which was constructed at a height of 22 mtr from the road level. The total length of balanced cantilever span is 255 mtr out of which the central span, over railways, is 105 mtr and the connecting span over road is 75 mtr. Trial run is being conducted on 8.5 km track between Transport Nagar to Charbagh with 8 elevated metro stations in between.