The Red Line (Line 1) is a rapid transit metro line of the Delhi Metro in Delhi, India. It is mostly an elevated line and has 29 stations that runs from Rithala to Shaheed Sthal with a total distance of 34.55 km.[2] The Tis Hazari – Shahdara section of this line was the first stretch of the Delhi Metro that was constructed and commissioned. The line connects the areas of Ghaziabad in Uttar Pradesh and the districts of Shahdara,[3][4] Central Delhi[5][6] and North West Delhi[7][8] in Delhi.
The Red Line has interchanges with the Yellow Line and Violet line at Kashmere Gate, the Pink Line at Welcome and Netaji Subhash Place, and the Green Line at Inderlok. It is the third most heavily used line of the Delhi Metro network as it acts as a link for those in West Delhi and North West Delhi traveling towards Central Delhi, Shahdara, East Delhi, and Ghaziabad, and vice versa.