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 Gazette as advertising and newspaper sales. There is a further Gazette Media Company site on the Riverside Industrial Estate which houses a printing press. "Teesside Gazette" changed the title of its cover page from "Evening Gazette" to "The Gazette" in 2014 after the company began releasing the newspaper to newsagents on mornings instead of evenings as it had done previously. It mainly provides local news, but also covers national, international and sports news as well as having various supplements relating to lifestyle, business, and events. Many local newspapers in the mid-20th century produced a special sports edition on Saturday evening. Before