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 Park North Yorkshire. There is a new development in the central car park with two new inner buildings. Construction started in March 2012. The two new units are occupied by Greggs and Carphone Warehouse, which moved from an outer building. The two new units Officially opened in August 2012. Teesside Park is now served by Arriva services S1 and S2 which both run half hourly on Saturdays only. It is also a short walk from the Stagecoach services 36, 37, and 38 which run to Stockton, Norton and Hartlepool Marina. Teesside Park Teesside Park is a retail superstore and leisure development