straight-line operation
121Orange Line (MBTA) — ORANGE LINE Inbound train at North Station Overview Type Rapid transit …
122North Downs Line — Overview Type Suburban rail, Heavy rail System National Rail …
123Nanboku Line (Sendai) — The Sendai City Subway logo Sendai City Subway Line Legend …
124Main Line (Long Island Rail Road) — For other uses, see Main Line (disambiguation).      LIRR Main Line Overview Type …
125Blue Line (Dallas Area Rapid Transit) — Blue Line Southbound Blue Line train at Akard Station Overview Type light rail System …
126Merthyr Line — Overview Type Heavy Rail System National Rail Locale Cardiff Rhondda Cynon Taff Operation …
127Buxton Line — Overview Type Heavy rail System National Rail Status Operational Locale North West England East Midlands …
128Cranleigh Line — [v · d · …