1975

Timelines:	1972 1973 1974 1975 1976 1977 1978
Births:	1972 1973 1974 1975 1976 1977 1978
Deaths:	1972 1973 1974 1975 1976 1977 1978
Establishments:	1972 1973 1974 1975 1976 1977 1978
Disestablishments:	1972 1973 1974 1975 1976 1977 1978
Introductions:	1972 1973 1974 1975 1976 1977 1978
Accidents:	1972 1973 1974 1975 1976 1977 1978
Images:	1972 1973 1974 1975 1976 1977 1978

By month

February

• February 3 – Chessie System closes the South Lyon and Fowlerville stations in Michigan.
• February 14 – Grand Trunk Western Railway discontinues freight service on the Lakeland to Jackson, Michigan, line.

March

• March 14 – The U.S. Railway Association announces that it had reevaluated the Northeast Corridor line segment between Groton, Connecticut, and Hills Grove, Rhode Island, and that this section of the line would be kept in operation for freight traffic.

July

• July 21 – Former transport minister Hans Matthoefer presides over the opening ceremony for a test H-Bahn line in Düsseldorf.

Unknown date

• Construction of the Tsuen Wan Line of Hong Kong's MTR system is approved.