1926 in rail transport

March events

 * March 14 - El Virilla train accident in Costa Rica kills 248 people.

May events

 * May 1 - Burlington Refrigerator Express (BREX) is formed as a joint venture between the Chicago, Burlington & Quincy Railroad (CB&Q) and the Fruit Growers Express (FGE).
 * May 3 - UK General Strike commences, continuing to affect railways until May 12.
 * May 8 - Asa Randolph organizes the Brotherhood of Sleeping Car Porters, considered a major labor as well as civil rights milestone.
 * May 20 - The United States Railway Labor Act becomes law.

July events

 * July 6 - First electric railway in the Soviet Union opens, connecting Baku, Azerbaijan, with its oil workers’ suburban settlements.
 * July 9 - The first use of a radiotelephone on a train, on the New York Central Railroad.
 * July 23 - Law enacted to nationalize rail transport in Belgium fully as Société Nationale des Chemins de fer Belges/Nationale Maatschappij der Belgische Spoorwegen.

August events

 * August - The Milwaukee Road introduces the Arrow passenger train between Chicago, Illinois and Omaha, Nebraska.

September events

 * September 12 - Chemin de Fer du Nord introduces Flèche d’Or all-first-class Pullman boat train service between Paris and Calais, France.

October events

 * October 10 – Yachihata Station in Japan is opened.

December events

 * December 20 – Opening of first section of underground railway in Australia, the City Circle between Central and St James stations in Sydney

Unknown date events

 * Atlantic Coast Line Railroad gains control of the Atlanta, Birmingham & Coast Railroad.
 * American Car & Foundry acquires JG Brill Company.

October deaths

 * October 20 - Eugene Debs, American labor leader, founding member of the Brotherhood of Locomotive Firemen, founder of the American Railway Union, arrested during the Pullman strike in Chicago, Illinois (born 1855).