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U, Grimstone Road, Hertfordshire (Grid ref TL212276) A602 between Whitehill Rd, Hitchin and A1(M), Hertfordshire (Grid ref TL200278) A602 between A1(M) and Coreys Mill Lane, Hertfordshire (Grid ref TL226267) A1 between J7 / A602 and J8, Hertfordshire (Grid ref TL221261) B656, London Road, Hertfordshire (Grid ref TL194267) C, St Michaels Road, Hertfordshire (Grid ref TL200291) C, Waterdell Lane, Hertfordshire (Grid ref TL191269) A1 between J8 and J9, Hertfordshire (Grid ref TL230290) A602 between B656 and Whitehill Rd, Hertfordshire (Grid ref TL190282) A602 between Coreys Mill Lane and A1072, Hertfordshire (Grid ref TL230261) U, Coleridge Close, Hertfordshire (Grid ref TL197295) U, Chancellors Road, Hertfordshire (Grid ref TL234264) U, St Michaels Road, Hertfordshire (Grid ref TL196296) A602 between A1072 and A602 split, Hertfordshire (Grid ref TL231257) A602 between A602 merge and A602 split, Hertfordshire (Grid ref TL231254) A505 between B656 and Stotwold Rd/Queenswood Drive, Hertfordshire (Grid ref TL200302) C, Willian Road, Hertfordshire (Grid ref TL215304) A1072 between A1155 and A602, Hertfordshire (Grid ref TL226250) A602 between A602 merge and A602 split, Hertfordshire (Grid ref TL232255) U, Bridge Street, Hertfordshire (Grid ref TL184288)