County Borough of Teesside councils in 1918, and was a pioneer operator of electric trolleybuses. The three undertakings adopted a common livery of turquoise and cream in 1967 in preparation for their amalgamation. On 1 April 1968 the combined fleet became Teesside Municipal Transport. Teesside initially operated a mixed fleet of trolleybuses and omnibuses, but on 4 April 1971 trolleybus operation ended. A formal closure ceremony was held two weeks later. Before 1968 the Teesside area was served by three police forces: Middlesbrough Borough Police, Durham Constabulary and the North Riding of Yorkshire Constabulary. It was originally envisaged that the new county borough would
Trolleybuses in Teesside Trolleybuses in Teesside The Teesside trolleybus system once served the conurbation of Teesside, in the North East of England. Opened on , it was unusual in being a completely new system that was not replacing any previously operating tramway network. By the standards of the various now defunct trolleybus systems in the United Kingdom, the Teesside system was a small one, with a total of three routes, and a maximum fleet of only 21 trolleybuses. However, it was unusually long-lasting, as it did not close until , and was therefore the penultimate system in the UK to do so. Three