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,
Colleges of Durham University with Durham ended. In 1969 the Technical College merged with Sunderland Teacher Training College and the Sunderland School of Art to form Sunderland Polytechnic (now the University of Sunderland). Originally established in 1992 as the Joint University College On Teesside (JUCOT), a limited company established as a joint venture between Durham and the University of Teesside operating under the name of University College Stockton, this became a teaching and residential college of Durham in 1994 as University College Stockton (UCS), the JUCOT company being wound up. In 1998 the teaching and residential aspects were separated, with teaching becoming the responsibility