Morrisons Petrol Station – Grays – Opening Hours & Petrol Station Details Morrisons Petrol Station is situated within easy reach at 1 London Road, about a 0.11 mile driving distance south-west of the centre of Grays (near Grays Station). This petrol station is situated in a convenient district that chiefly serves the people of Chafford Hundred, Pilgrims Lane Residential Area, Tilbury Town, North Stifford, Grays Town Centre, South Stifford and Stifford Clays. Please see this page for the specifics on Morrisons Petrol Station Grays, including the hours of opening, address details, email address and further details.