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
County Borough of Teesside in England and Wales. Opposition MP Graham Page attacked the government for creating county boroughs in Teesside and other areas such as the Hartlepools and Torbay before the commission reported: "Do the Government consider that these piecemeal orders represent dynamic policy? Do they think that these Measures – one or two orders a week presented to Parliament during farcical morning sittings at which the honourable gentlemen opposite do not bother to turn up to support their Ministers represent dynamic local government policy?" Another round of local government reorganisation took place under the Local Government Act 1972, which introduced a uniform