It serves as an essential transit hub for passengers traveling to and from Indira Gandhi International Airport (IGI), providing a direct and rapid link between the airport and central Delhi.

The Airport Express Line has a mix of both underground & elevated metro stations.

[1] The Airport Express Line itself is a 22.7-kilometer (14.1 miles) stretch, designed to offer fast, reliable transport between New Delhi Railway Station and Dwarka Sector 21 via the Indira Gandhi International Airport (IGI).

The fare for traveling on the Delhi Airport Express Line is generally higher than the regular Delhi Metro lines, due to its premium services like faster trains and airport-specific facilities.

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