Trolleybuses in Teesside the buses, which were held up by wartime shortages. In December 1918, the company was sold, / to Middlesbrough Corporation and / to Eston Urban District Council. They formed the Tees-side Railless Traction Board. The first trial run was on 19 September 1919. Official opening was at 11am on Saturday 8 November 1919, with Chairman of the Board, Cllr. W.G.Grace, driving the first bus. On 1 April 1968, the Board merged with Middlesbrough and Stockton to form Teesside Municipal Transport and trolley buses were replaced with diesel buses 3 years later. The original routes were Smeaton St - North Ormesby
County Borough of Teesside two-tier system of counties and districts. One of the new counties "Area No.4" was based on the Teesside conurbation. The county was eventually named Cleveland on the suggestion of several local authorities in the area. Originally it was intended that Teesside would continue as non-metropolitan district of Cleveland. Peter Walker, Secretary of State for the Environment stated in January 1972: "It would be wholly wrong... to divide again the County Borough of Teesside... it has made all its investment in a county borough of that size, and it would be wholly wrong to tear it to pieces." However, the boundaries