Delhi Metro
rapid transit system in India serving Delhi and surrounding regions
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The Delhi Metro is a rapid transit system that transports millions of people around India's capital city of Delhi and its surrounding areas. It matters because it provides a major transportation network that helps move people efficiently across the region.
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The Delhi Metro is a rapid transit system that serves Delhi and the adjoining satellite cities of Faridabad, Gurugram, Ghaziabad, Noida, Bahadurgarh, and Ballabhgarh in the National Capital Region of India. The system consists of 10 colour-coded lines serving 271 stations, with a total length of 374.466 km (232.682 mi). It is India's largest and busiest metro rail system. The metro has a mix of underground, at-grade, and elevated stations using broad-gauge and standard-gauge tracks. The metro makes over 4,300 trips daily.
Construction began in 1998, and the first elevated section (Shahdara to Tis Hazari) on the Red Line opened on 25 December 2002. The first underground section (Vishwavidyalaya – Kashmere Gate) on the Yellow Line opened on 20 December 2004. The network was developed in phases. Phase I was completed by 2006, followed by Phase II in 2011. Phase III was mostly complete in 2021, except for a small extension of the Airport Line which opened in 2023. Work on Phase IV began on 30 December 2019.