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U, Beaumont Avenue, Hertfordshire (Grid ref TL169074) U, Sandfield Road, Hertfordshire (Grid ref TL162073) C, Marshalswick Lane, Hertfordshire (Grid ref TL168082) A1057 between A1081/A4147 and Lyon Way, Hertfordshire (Grid ref TL160072) C174, Colney Heath Lane, Hertfordshire (Grid ref TL180069) U, St Vincent Drive, Hertfordshire (Grid ref TL165061) U, Battlefield Road, Hertfordshire (Grid ref TL157082) A1081 between A414 and A5183, Hertfordshire (Grid ref TL160061) A1081 between A4147 and B651, Hertfordshire (Grid ref TL150077) U, Sandringham Crescent, Hertfordshire (Grid ref TL175092) A1081 between A5183 and A4147, Hertfordshire (Grid ref TL148074) A1081 between Sandridgebury Lane and B651 Stonecross, Hertfordshire (Grid ref TL150084) U, Sandringham Crescent, Hertfordshire (Grid ref TL171096) U, Old Harpenden Road, Hertfordshire (Grid ref TL150088) U, Nightingale Lane, Hertfordshire (Grid ref TL174050) U, Batchwood Gardens, Hertfordshire (Grid ref TL149087) A5183 between A1081 and A4147, Hertfordshire (Grid ref TL143075) A4147 between A5183 and A1081, Hertfordshire (Grid ref TL141077) A5183 between A4147 and A4147, Hertfordshire (Grid ref TL139077) A1057 between Lyon Way, St Albans and Poplar Avenue, Hatfield, Hertfordshire (Grid ref TL200078)