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A1 between J5 and J6, Hertfordshire (Grid ref TL223140) U, Applecroft Road, Hertfordshire (Grid ref TL229125) U, Howardsgate, Hertfordshire (Grid ref TL236130) B195, Bridge Road, Hertfordshire (Grid ref TL239131) A1000 between A1000 split and A1M/B197 S, Hertfordshire (Grid ref TL233157) A1 between J4 and J5, Hertfordshire (Grid ref TL224120) A1000 between A1000 Mundells and A1000 Hertford Rd, Hertfordshire (Grid ref TL241150) B653, Hertfordshire (Grid ref TL203132) A1000 between Bessemer Rd and A1000 split, Hertfordshire (Grid ref TL240154) A1000 between B195W and Ring Rd Jct S, Hertfordshire (Grid ref TL244133) B197, Great North Road, Hertfordshire (Grid ref TL223116) A6129 between B197 and A1000, Hertfordshire (Grid ref TL235120) A1000 between A1000 split and A1M Jct 6/B656/B197, Hertfordshire (Grid ref TL234160) A1 between A1000 Hertford Road and A1000/B197, Hertfordshire (Grid ref TL235160) U, Fallowfield, Hertfordshire (Grid ref TL247143) A1000 between A6129 and B195 W, Hertfordshire (Grid ref TL240121) A1000 between Ring Rd Jct S and Ring Rd Jct N, Hertfordshire (Grid ref TL248136) C, Codicote Road, Hertfordshire (Grid ref TL208161) A1000 between inner ring road and inner ring road, Hertfordshire (Grid ref TL248135) B656, Church Street, Hertfordshire (Grid ref TL233164)