Teesside the four independent unitary authority boroughs of Hartlepool, Stockton, Middlesbrough and Redcar and Cleveland (a renamed Langbaurgh). At this time they were returned to the counties of North Yorkshire and County Durham for ceremonial purposes, with Stockton-on-Tees becoming the only district in England split between two ceremonial counties. In 1998 the neighbouring Borough of Darlington also became an independent unitary authority and this along with the four former Cleveland boroughs form the sub-region of the Tees Valley which is used for statistical purposes and governmental organisation. The name Tees Valley is increasingly promoted for economic and cultural connections, though Teesside,
Trolleybuses in Teesside initially with cream above. From 1932 some buses had silver roofs, later painted white. In the 1940s and 50s there were 3 cream bands, later reduced to 2. Some wartime buses were utility grey. The Roman capitals fleetname with shading was replaced in 1932 by a block logo. 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