London Underground with smaller trains that run in two circular tunnels ("tubes") with a diameter about . These lines have the exclusive use of a pair of tracks, except for the Piccadilly line, which shares track with the District line between Acton Town and Hanger Lane Junction and with the Metropolitan line between Rayners Lane and Uxbridge; and the Bakerloo line, which shares track with London Overground services north of Queen's Park. Fifty-five per cent of the system runs on the surface. There are of cut-and-cover tunnel and of tube tunnel. Many of the central London underground stations on deep-level tube routes
Manila Light Rail Transit System Line 2 station, the only underground station on the line. The western terminus of the line is the Recto station at the intersection Recto Avenue and Rizal Avenue, while the eastern terminus of the line is the Santolan station along Marcos Highway in Barangay Calumpang, Marikina City. The rail line serves the cities that Radial Road 6 (Marcos Highway, Aurora Boulevard, Ramon Magsaysay Boulevard, Legarda Street and Recto Avenue) passes through: Manila, San Juan, Quezon City, Marikina City and Pasig City (depot). Three stations currently serve as interchanges between the lines operated by the LRMC, MRTC, and PNR. Pureza station is near