Question:  Runcorn signal box is located at the south end of the station managed by which company?
Sentence (from "Runcorn signal box"): It was built by the London, Midland and Scottish Railway (LMS) in the early years of the Second World War incorporating the specifications of the Air Raid Precautions (ARP), and was one of the first of such signal boxes to be operational.
Relevant evidence: No