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A1 between A1M and M25, Hertfordshire (Grid ref TQ223998) A1 between A1 and M25, Hertfordshire (Grid ref TQ224999) A1 between A5135 and A1M, Hertfordshire (Grid ref TQ220990) M25 between J23 and J22, Hertfordshire (Grid ref TL217011) M25 between J23 and J24, Hertfordshire (Grid ref TL249000) U, Denham Way, Hertfordshire (Grid ref TQ203978) A1081 between LA boundary and M25, Hertfordshire (Grid ref TQ240976) C, London Road, Hertfordshire (Grid ref TQ194999) B5378, Cowley Hill, Hertfordshire (Grid ref TQ197982) A1081 between Sunset View and Barnet boundary, Barnet (Grid ref TQ241974) A1000 between Kitts End Rd and Barnet boundary, Barnet (Grid ref TQ247980) U, Redwood Rise, Hertfordshire (Grid ref TQ195985) A1000 between A1081 and Kitts End Rd, Barnet (Grid ref TQ246974) A5135 between A1 and A5135 Newark Green roundabout, Barnet (Grid ref TQ211966) A5135 between A5135 Newark Green roundabout and A1, Barnet (Grid ref TQ212965) A1081 between A1000 and Sunset View, Barnet (Grid ref TQ243970) A1000 between LA boundary and Hill Rise, Potters Bar, Hertfordshire (Grid ref TL258000) U, The Campions, Hertfordshire (Grid ref TQ190982) A5135 between B5378 and Newark Green roundabout, Hertfordshire (Grid ref TQ200970) U, Kenilworth Drive, Hertfordshire (Grid ref TQ203965)