Noida Metro Aqua Line is a rapid transit corridor connecting Noida to Greater Noida in Uttar Pradesh, operated by the Noida Metro Rail Corporation (NMRC). The Aqua Line runs 29.7 km across 21 stations from Sector 51 in Noida to Depot Station in Greater Noida, providing the primary metro link between these two major urban centres in the NCR. The line opened in January 2019 and is grouped under the Delhi Metro umbrella on MetroYatra for integrated route planning across the NCR network.
The Aqua Line serves Noida Sector 51, Sector 50, Sector 78, Sector 101, Sector 81, Sector 83, Sector 137, Sector 142, Sector 143, Sector 144, Sector 145, Sector 146, Sector 147, Sector 148, Knowledge Park II, Pari Chowk, Alpha I, Delta I, Sector OMICRON-I (Ecotect), Gaur Chowk, and Depot Station. Noida Sector 51 provides an interchange with the Delhi Metro Blue Line at the nearby Noida City Centre station — an inter-modal transfer connection between DMRC and NMRC systems. The corridor passes through major residential sectors, educational institutions, and the Knowledge Park hub of Greater Noida.
Peak-hour train frequency is 7–10 minutes. Trains run in 4-coach formations. The Aqua Line accepts the National Common Mobility Card (NCMC). Metro fare is calculated on a distance-slab basis independent of DMRC fares. MetroYatra provides station-wise train timings, Aqua Line metro fare, platform details, and an Aqua Line route map for all 21 stations.
