Morrisons Petrol Station – Gainsborough – Opening Hours & Petrol Station Details Morrisons Petrol Station is located in an ideal place on Heapham Road South, approximately a 1.27 mile driving distance south-east from the centre of Gainsborough (not far from Caldicott Drive Bus Stop). The petrol station serves the people of East Trent Junction, Somerby, Dog Island, Lea Marsh, Park Springs, Gainsborough Town Centre, Highfield and Lea. This page will give you all the information you need on Morrisons Petrol Station Gainsborough, including the business hours, address, direct telephone and other important info.