Greggs – Marsh Barton, Exeter – Opening Hours & Store Details Greggs is found in an ideal spot on Trusham Road, about 0.81 miles south from the centre of Exeter, in Marsh Barton (near to Trusham Road Bus Stop). The store is a terrific addition to the local businesses of Wonford, Redhills, Alphington, St Thomas, Heavitree, Exeter City Centre, Newtown and St Leonards. Today (Friday), service starts at 7:00 am and continues until 2:00 pm. This page will provide you with all the information you need on Greggs Marsh Barton, Exeter, including the working times, address details, email contact and more info.