“What made the GCR so successful was the fact that they operated ships from Grimsby (a port on the East Coast of England) to some important ports in Northern Europe, and also operated trains from Grimsby to Manchester and on to Liverpool, which was one of the main ports from which ships sailed to North America.”

Source: http://web.ukonline.co.uk/cj.tolley/gcr-190307-mig.htm