The story
Named after the M62 motorway that runs east-west across the north of England from Liverpool to Hull. The majority of professional rugby league teams are located in cities on or near the M62.
Etymology from Wiktionary, CC BY-SA 4.0.
M62 corridor
Today it means: Used other than figuratively or idiomatically: M62, corridor. The area around the M62, including the conurbations of Merseyside, Warrington, Greater Manchester, West Yorkshire and Hull. Full definition →