1922 in rail transport

May events

 * May 17 – The Arkansas Short Line Railroad, a predecessor of St. Louis Southwestern Railway, is incorporated.

July events

 * July 1 – The Great Railroad Strike of 1922 begins in the United States, coinciding with a reduction in railroad shop wages by seven cents per day mandated by the Railroad Labor Board. Continues until September 1.

August events

 * August 31 – H. L. Hamilton and Paul Turner form a company called Electro-Motive Engineering (later to become General Motors Electro-Motive Division) in Cleveland, Ohio.

October events

 * October – International Union of Railways (UIC) established in Paris to promote co-operation and standardisation.
 * October 22 – Stuttgart Hauptbahnhof (first stage) opened in Germany.

November events

 * The first Willamette locomotive is built for Coos Bay Lumber Company of Marshfield, Oregon.
 * July 26 – The Drammen Line in Norway takes electric traction into use between Oslo West Station and Brakerøya.

December events

 * December 9 – Chemins de fer de Paris à Lyon et à la Méditerranée resumes the Calais-Mediterranée Express, now known as Le Train Bleu because of its Wagons-Lits cars, between Calais Gare Maritime and Menton on the French Riviera.

Unknown date events

 * The New York Central acquires the Cleveland, Cincinnati, Chicago and St. Louis Railroad (the Big Four Railroad).
 * Sir Henry Thornton succeeds David Blyth Hanna as president of Canadian National Railway.
 * George Hughes succeeds H. P. M. Beames as Chief Mechanical Engineer of the London and North Western Railway.

February births

 * February 27 – Robert B. Claytor, president of Norfolk and Western Railway (died 1993)

March births

 * March 22 – Livio Dante Porta, Argentinian steam locomotive mechanical engineer (died 2003)

July births

 * July 20 – Alan Stephenson Boyd, first United States Secretary of Transportation 1966–1969, president of Illinois Central Railroad 1969-1972, president of Amtrak (died 2020)