In general, the speed limit on a motorway in xx Bury St. Edmunds is 70 mph while on single and dual carriageways the speed limit is 60 mph. In built-up areas, the limit may be set at 30 mph or 35 mph, unless otherwise stated. Additionally, there may be zones such as schools, residential areas, or pedestrian crossings where the speed limit may be reduced to 20 mph. Search rental cars on KAYAK