Road–rail tunnels are tunnels shared by road and rail lines, as an economy measure compared to constructing segregated tunnels. Road and rail may be provided with separate tubes.
Argentina Transandine Railway rail tunnel, converted to road use for time being, albeit single lane.
China Jiangyin Jingjiang Yangtze River Tunnel (under construction), S229 and Xicheng Intercity Rail Transit Shanghai Yangtze River Parallel Tunnel, Shanghai Metro Chongming line and 4-lane road. Wuhan Yangtze River road-railway Tunnel (Line 7 and Sanyang road-Qinyuan road), the first road-rail tunnel of Yangtze River built by tunnel-borning machine.“万里长江公铁第一隧”武汉长江公铁隧道正式通车
Denmark Oresund Bridge (tunnel directly linked to a bridge) Fehmarn Belt Tunnel – construction began 2021
Egypt Proposed road-rail tunnel under Suez Canal
France Montets tunnel, single tube shared by road and railway (used by road vehicles only when the pass road is closed because of snow)[FR] Col des Montets
Germany Fehmarn Sound tunnel, completion planned for 2028
Hong Kong Eastern Harbour Crossing
Netherlands
Turkey Great Istanbul Tunnel (proposed in 2015)
United States Anton Anderson Memorial Tunnel, Alaska Downtown Seattle Transit Tunnel, Washington (until 2019) Mount Washington Transit Tunnel, Pennsylvania
See also List of road–rail bridges
References