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A1000 between A1001 and A414W, Hertfordshire (Grid ref TL230080)
A1000 between A1000 split and A1M/B197 S, Hertfordshire (Grid ref TL233157)
A1000 between A1000 split and A1M Jct 6/B656/B197, Hertfordshire (Grid ref TL234160)
A1000 between Dixons Hill Rd and A1001, Hertfordshire (Grid ref TL235064)
A1000 between A414 (midpoint) and A1000 Mill Green Lane, Hertfordshire (Grid ref TL239099)
A1000 between A6129 and B195 W, Hertfordshire (Grid ref TL240121)
A1000 between Bessemer Rd and A1000 split, Hertfordshire (Grid ref TL240154)
A1000 between A1000 Mill Green Lane and A6129, Hertfordshire (Grid ref TL240101)
A1000 between A1000 Mundells and A1000 Hertford Rd, Hertfordshire (Grid ref TL241150)
A1000 between B195W and Ring Rd Jct S, Hertfordshire (Grid ref TL244133)
A1000 between A411 and A1081, Barnet (Grid ref TQ245967)
A1000 between A1081 and Kitts End Rd, Barnet (Grid ref TQ246974)
A1000 between Kitts End Rd and Barnet boundary, Barnet (Grid ref TQ247980)
A1000 between Ring Rd Jct S and Ring Rd Jct N, Hertfordshire (Grid ref TL248136)
A1000 between inner ring road and inner ring road, Hertfordshire (Grid ref TL248135)
A1000 between A110 and A411, Barnet (Grid ref TQ250961)
A1000 between B158 and Dixons Hill Rd, Welham Green, Hertfordshire (Grid ref TL250055)
A1000 between LA boundary and Hill Rise, Potters Bar, Hertfordshire (Grid ref TL258000)
A1000 between B157 and B158, Hertfordshire (Grid ref TL259041)
A1000 between Hill Rise and A111, Hertfordshire (Grid ref TL259007)
A1000 between A111 and B156, Hertfordshire (Grid ref TL260009)
A1000 between A109 and A110, Barnet (Grid ref TQ260950)
A1000 between B156 and School Rd, Hertfordshire (Grid ref TL261020)
A1000 between School Rd, Potters Bar and B157, Hertfordshire (Grid ref TL261030)
A1000 between A598 and A109/A5109, Barnet (Grid ref TQ263930)
A1000 between A1003 and A598, Barnet (Grid ref TQ264921)
A1000 between A406 spur and A1003, Barnet (Grid ref TQ265910)
A1000 between A406 spur and A406 spur, Barnet (Grid ref TQ266906)
A1000 between A504 and A406 spur, Barnet (Grid ref TQ269900)
A1000 between Barnet boundary and A504, Barnet (Grid ref TQ274889)
A1000 between A1 and LA boundary, Haringey (Grid ref TQ276887)