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A414 between A1081 and A1(M), Hertfordshire (Grid ref TL203067) A1001 between A1(M) jn2 and A1(M) jn3, Hertfordshire (Grid ref TL214070) U, Hall Gardens, Hertfordshire (Grid ref TL209057) A1 between J2 and J3, Hertfordshire (Grid ref TL214065) A1057 between Lyon Way, St Albans and Poplar Avenue, Hatfield, Hertfordshire (Grid ref TL200078) A1001 between A1(M) and A1057, Hertfordshire (Grid ref TL212080) A1057 between Poplar Avenue and A1001, Hertfordshire (Grid ref TL210082) A1001 between A1(M) and A1000, Hertfordshire (Grid ref TL220062) C, Coursers Road, Hertfordshire (Grid ref TL201046) C174, Colney Heath Lane, Hertfordshire (Grid ref TL180069) U, Travellers Lane, Hertfordshire (Grid ref TL225069) B6426, Cavendish Way, Hertfordshire (Grid ref TL221084) U, Deerswood Avenue, Hertfordshire (Grid ref TL227074) A1 between J1 and J2, Hertfordshire (Grid ref TL223050) A1000 between A1001 and A414W, Hertfordshire (Grid ref TL230080) A1000 between Dixons Hill Rd and A1001, Hertfordshire (Grid ref TL235064) A1081 between M25 Jct 22 and A414, Hertfordshire (Grid ref TL185040) U, Nightingale Lane, Hertfordshire (Grid ref TL174050) U, Beaumont Avenue, Hertfordshire (Grid ref TL169074) U, High Street, Hertfordshire (Grid ref TL177043)