 
 <prompt> Wetin be di kain motor wey di transit system dey use? Based on di question wey dey before dis one, write one context wey get di answer. E fit be 1 - 20 sentences. Context: <response>: The Delhi Metro na one kain fast transit system wey dey serve New Delhi, Delhi, Gurgaon, Faridabad, Noida, and Ghaziabad for the National Capital Region of India. Delhi Metro na di 12th largest metro system for di world based on length. Delhi Metro na di first modern public transportation system for India wey don change how people dey move around by providing fast, reliable, safe, and comfortable means of transport. Di network get six lines wey total length na 189.63 kilometres (117.83 miles) with 142 stations, wey 35 dey underground, five dey at-grade, and di rest dey elevated. All di stations get escalators, elevators, and tactile tiles to guide visually impaired pipo from station entrances to trains. E get combination of elevated, at-grade, and underground lines, and e dey use both broad gauge and standard gauge rolling stock. E dey use four types of rolling stock: Mitsubishi-ROTEM Broad gauge, Bombardier MOVIA, Mitsubishi-ROTEM Standard gauge, and CAF Beasain Standard gauge. 