From Cambridge follow the A1307 into Town and turn right at Tesco's roundabout . Follow road past Sports Centre and Cinema , turn left at Jet Garage and entrance 250 yards on the left . From Bury St Edmunds follow A143 into Town and turn left at Tesco's roundabout . Follow road past Sports Centre and Cinema and turn left at Jet Garage . Entrance 250 yards on the left . From Essex from Sturmer roundabout follow road into Town under old Railway bridge and turn right at Jet Garage . Entrance 250 yards on the left.