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B158, Cumcum Hill, Hertfordshire (Grid ref TL271069) B158, High Road, Hertfordshire (Grid ref TL274083) U, School Lane, Hertfordshire (Grid ref TL276086) A1000 between B158 and Dixons Hill Rd, Welham Green, Hertfordshire (Grid ref TL250055) A1000 between B157 and B158, Hertfordshire (Grid ref TL259041) A1000 between Dixons Hill Rd and A1001, Hertfordshire (Grid ref TL235064) A414 between A1000 Mill Green Lane and B1455 Holwell Lane, Hertfordshire (Grid ref TL249100) B158, Lower Hatfield Road, Hertfordshire (Grid ref TL298095) U, Swanley Bar Lane, Hertfordshire (Grid ref TL261031) A1000 between School Rd, Potters Bar and B157, Hertfordshire (Grid ref TL261030) U, Station Road, Hertfordshire (Grid ref TL240042) A414 between A1000 (midpoint) and A1000 Mill Green Lane, Hertfordshire (Grid ref TL240097) A1000 between A1001 and A414W, Hertfordshire (Grid ref TL230080) U, Deerswood Avenue, Hertfordshire (Grid ref TL227074) A1000 between A414 (midpoint) and A1000 Mill Green Lane, Hertfordshire (Grid ref TL239099) C, Blue Bridge Road, Hertfordshire (Grid ref TL244033) A1000 between A1000 Mill Green Lane and A6129, Hertfordshire (Grid ref TL240101) C, Beaconsfield Road, Hertfordshire (Grid ref TL231089) C, Cold Green, Hertfordshire (Grid ref TL283112) U, Travellers Lane, Hertfordshire (Grid ref TL225069)