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U, North Common Road, Hertfordshire (Grid ref TL101118) B487, Hertfordshire (Grid ref TL102115) A5183 between B487 and B487, Hertfordshire (Grid ref TL110119) M1 between J8 and J9, Hertfordshire (Grid ref TL097105) A5183 between B487 and A5, Hertfordshire (Grid ref TL100137) A5183 between A4147 and B487, Hertfordshire (Grid ref TL118101) A5 between M1 (midpoint) and A5183, Hertfordshire (Grid ref TL092146) M1 between M1 (midpoint) and A5183, Hertfordshire (Grid ref TL092146) M1 between M1 (midpoint) and A5183, Hertfordshire (Grid ref TL091146) A5 between M1 (midpoint) and A5183, Hertfordshire (Grid ref TL091146) C, Roundwood Lane, Hertfordshire (Grid ref TL113149) U, West Common Way, Hertfordshire (Grid ref TL134124) U, Beesonend Lane, Hertfordshire (Grid ref TL135118) A5 between B4540 and M1 jn9, Hertfordshire (Grid ref TL086150) M1 between J9 and Hertfordshire boundary, Hertfordshire (Grid ref TL091153) A1081 between Beesonend Lane and B487, Hertfordshire (Grid ref TL137125) C, Wood End Lane, Hertfordshire (Grid ref TL066136) A1081 between B487 and B653, Hertfordshire (Grid ref TL136136) C, Limbrick Road, Hertfordshire (Grid ref TL141125) A1081 between Beesonend Lane, Harpenden and Sandridgebury Lane, St Albans, Hertfordshire (Grid ref TL143112)