1901

March

 * 18 March - The Tynemouth & District Electric Tramways opens.
 * 26 March -

April

 * 4 April - London United Tramways runs it's first 3 tram routes.
 * 4 April - The Isle of Thanet Electric Tramways opens.
 * 5 April - The Kinver Light Railway opens.
 * 6 April - The Poole & District Electric Tramways opens.
 * 6 April - The Merthyr Tydfil Electric Tramways opens.
 * 13 April - The Newcastle & Gosforth Tramways opens.
 * 26 April - The Wrexham District Tramways opens.

August

 * 3 August - Southampton Corporation Tramways open the Ordnance Office - Bellevue Terrance - St. Mary's - Docks route.

October

 * 17 October - Southampton Corporation Tramways open the Marsh Lane - Central Bridge - Floating Bridge Road route.

Unknown date

 * The Blackpool tramway opens the Marton Road loop,connecting Talbot Square and Central Station along Church Street, Devonshire Square, Whitegate Drive, Waterloo Road and Central Drive. A new depot was built on Whitegate Drive in Marton
 * London United Tramways extend their route from Chiswick to Brentford and Hounslow and from Acton to Ealing, Southall and Uxbridge