Events January events January 3 – At the annual stockholder's meeting, the charter for the Cleveland Short Line Railway is amended to specify Collinwood, Ohio and Rockport, Ohio as the terminals of the railroad. January 17 – Atchison, Topeka and Santa Fe Railway fully acquires its subsidiary Southern California Railway. January 27 – Rail line completed to the Red Sea at Port Sudan from Atbara. February events February 2 – The Cairo Electric Railways and Heliopolis Oases Company is formed. March events March 10 – The Baker Street and Waterloo Railway opens in London. April events April – The Great Western Railway of England turns out the prototype of its 4-cylinder GWR 4000 Class steam locomotive, designed by George Jackson Churchward, from its Swindon Works. April 18 – The great 1906 San Francisco earthquake strikes, damaging the Southern Pacific Railroad's headquarters building and destroying the mansions of the now-deceased Big Four. Also destroyed are many cable car routes, which will be replaced with electric streetcars. April 19 – Lygten Station opens in Copenhagen, Denmark, as the terminus of the Copenhagen–Slangerup Railway. May events May 8 – A special train carrying E.H. Harriman makes a run from Oakland CA to New York in 761 hours and 27 minutes. This record will stand until October 1934, when it will be broken by Union Pacific Streamliner M-10000. May 19 – The Simplon Tunnel between Italy and Switzerland, the world's longest tunnel until 1979, opens to rail traffic. July events July 1 (1:57 am) – 24 passengers and 4 railwaymen die as the result of the 1906 Salisbury rail crash on the London and South Western Railway of England when an express train passes through Salisbury railway station at excessive speed. July 7 – Completion of the Tauern Tunnel () in Austria. July 22 – The State Street Line, Chicago's last cable car route, ends operations. August events August 1 – The Green Bay and Western acquires a majority interest in the Ahnapee and Western Railway in Wisconsin. September events September 8 – Ottawa's Bank Street subway is opened as streetcar number 253 of the Ottawa Electric Railway traverses the tunnel. September 19 – 14 die as a result of the Grantham rail accident on the Great Northern Railway (Great Britain) when a sleeping car train is derailed passing through Grantham railway station at excessive speed. September 21 – A Grand Trunk Railway passenger