1903

January

 * 10 January - Southampton Corporation Tramways open their Docks - Central Bridge - Floating Bridge Road extension.

March

 * 17 March - Wallasey Corporation Tramways opens.
 * 19 March - Wallasey Tramwas closes.
 * 27 March - Middleton Electric Tramways opens.

April

 * 30 April - Nottingham's last horse tram route closes.

August

 * 30 August - Southampton Corporation Tramways open the Portswood Bitterne Park Triangle.

September

 * 2 September - Opening of the Antwerp electric tramway.

Unknown date

 * A line from Talbot Square along Talbot Road to Layton is opened on the Blackpool tramway.