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 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 United Kingdom, the Teesside system was a small one, with a total of three routes, and a maximum fleet of only 21 trolleybuses. However, it was unusually long-lasting, as it did not close until , and was therefore the penultimate system in the UK to do so. Three