sentences:  In the early 1950s control was divided between the North Eastern and London Midland regions with Kirkby Stephen as the boundary.Local passenger trains were withdrawn between Kirkby Stephen and Tebay on 1 December 1952, although steam-hauled summer Saturday services from the north-east to Blackpool continued to use the route until the end of the 1961 holiday season.The 1955 Modernisation Plan, known formally as the "Modernisation and Re-Equipment of the British Railways", was published in December 1954.