This article lists events related to rail transport that occurred in 1845.
March 19 – Boston and Maine Railroad Extension, which was incorporated a dispute with the Boston and Lowell Railroad over trackage rights rates in Massachusetts, is merged into Boston and Maine Railroad.
July — James Hooper succeeds Eleazer Lord as president of the Erie Railroad.
July 1 – Boston and Maine Railroad opens the extension over the former Boston and Maine Railroad Extension line between Wilmington and Boston.
July 21 — An unprecedented number of railway acts receive Royal Assent from Queen Victoria in the United Kingdom as the railway mania approaches its peak, Parliament having sanctioned 2,816 mi (4,532 km) of new construction.
August — Benjamin Loder succeeds James Hooper as president of the Erie Railroad.
October 22 — First section of the Württemberg Central Railway opens, between Cannstatt und Untertürkheim.
William Swinburne, shop foreman for Rogers, Ketchum and Grosvenor, leaves Rogers to form his own locomotive manufacturing company, Swinburne, Smith and Company.
Walter McQueen becomes chief mechanical engineer for the Hudson River Railroad.
June 24 — Georges Nagelmackers, the founder of the Compagnie Internationale des Wagons-Lits, the company known for the Orient Express trains (born in Liège, Belgium, and died 1905).
September 17 – Calvin S. Brice, president of Lake Erie and Western Railroad, builder of Nickel Plate Road (d. 1898).
November 18 — Edwin Winter, president of Northern Pacific Railway in 1868 and Brooklyn Rapid Transit beginning in 1902, is born.
William F. Harnden, founder of Harnden and Company express, first person to send an express shipment by rail (b. 1812).
1845 in rail transport Wikipedia (Text) CC BY-SA