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
Teesside University the College's prospectus were validated by the University of London. Disciplines included metallurgy, engineering and chemistry. Five rooms were also reserved for an art department, until cramped accommodation forced the School of Art to split from its parent site for the 1950s. The 1960s were years of sweeping change – as well as political sting – for the still comparatively fledgling College. By the end of the decade the first two "Teesside University" campaigns had begun: the first, from the early 1960s to 1966, and the second, from 1967 to 1972. Spates of enthusiasm were killed off on each occasion