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B651, Hitchin Road, Hertfordshire (Grid ref TL188209) B651, Hertfordshire (Grid ref TL194225) B651, Hertfordshire (Grid ref TL176194) C, Hertfordshire (Grid ref TL143208) C, Codicote Road, Hertfordshire (Grid ref TL208161) A602 between A1(M) and A1072, Hertfordshire (Grid ref TL237225) A1072 between A1070 and A1155, Hertfordshire (Grid ref TL229240) A1072 between A602 and A1070, Hertfordshire (Grid ref TL236230) A1155 between A1072 and A602, Hertfordshire (Grid ref TL229242) A1070 between A1072 and A602, Hertfordshire (Grid ref TL235236) A602 between A1072 and A602 Monkswood Way, Hertfordshire (Grid ref TL240227) U, Fairview Road, Hertfordshire (Grid ref TL230245) A1 between A1000/B197 and J7 / A602, Hertfordshire (Grid ref TL243196) B197, London Road, Hertfordshire (Grid ref TL241226) A1072 between A1155 and A602, Hertfordshire (Grid ref TL226250) A602 between A1155 and A1070, Hertfordshire (Grid ref TL235240) B197, London Road, Hertfordshire (Grid ref TL243223) A602 between A1155 and B197, Hertfordshire (Grid ref TL242230) U, Woolners Way, Hertfordshire (Grid ref TL232247) A602 between A1070 and A1155, Hertfordshire (Grid ref TL239238)