The British Rail Class 114 diesel multiple units were built by BR Derby from September 1956 to July 1957. Forty-nine 2-car units were built, numbered E50001-49 for driving motors and E56001-49 for driving trailers. The units were used in the early days out of 40A Lincoln TMD (LN) on services all over the county, although a small number were transferred to 41A Sheffield (Darnall) during 1959/60.

In Lockington, England on 26 July 1986, the 09:33 passenger train from Bridlington to Kingston upon Hull on the Hull to Scarborough Line struck a passenger van on a level crossing.