rail head running surface
21Tunnel — This article is about underground passages. For other uses, see Tunnel (disambiguation). Underground tunnel for heatpipes between Rigshospitalet and Amagerværket in Denmark …
22Steam locomotive — A steam locomotive is a locomotive powered by steam. The term usually refers to its use on railways, but can also refer to a road locomotive such as a traction engine or steamroller.Steam locomotives dominated rail traction from the mid 19th… …
23Transport for London — Infobox Company company company type = Local Government body foundation = Greater London Authority Act 1999 location = Greater London key people = Mayor of London / GLA industry = products = revenue = operating income = net income = num employees …
24Tanzania — Tanzanian, n., adj. /tan zeuh nee euh/; Swahili. /tahn zah nee ah/, n. a republic in E Africa formed in 1964 by the merger of the republic of Tanganyika and the former island sultanate of Zanzibar (including Pemba and adjacent small islands).… …
25Providence, Rhode Island — City of Providence   City   …
26Moscow Metro — Info Locale Moscow Krasnogorsk, Moscow Oblast Transit type …
27Blue Line (Los Angeles Metro) — Metro Blue Line      Los Angeles Metro rapid transit line …
28Northern Lights Express —      Northern Lights Express Overview Type Inter city/commuter rail Status Planning (environmental impact statement phase) Locale …
29Utrecht — For other uses, see Utrecht (disambiguation). Utrecht   Municipality   Oudegracht …
30Operation Linebacker — Part of Vietnam War Date 9 May – 23 October 1972 Location Democratic Republic of Vietnam Result …
