The Dwarka Sector 21 Metro station, located on the Blue Line and Airport Express Line of the Delhi Metro, serves as a major metro and multimodal interchange hub. It is situated near the Dwarka ISBT to the west and the Bijwasan railway station of the Indian Railways network to the east.[1] It served as the terminal station for the Airport Express Line from its opening until 16 September 2023, when Yashobhoomi Dwarka Sector-25 became the new terminal.