Data on this site is no longer being updated. For the latest in road traffic stats, plus other road data,
please visit our new site at MABCU - Data for road nerds
A414 between A1000 Mill Green Lane and B1455 Holwell Lane, Hertfordshire (Grid ref TL249100) A1000 between A1000 Mill Green Lane and A6129, Hertfordshire (Grid ref TL240101) A414 between A1000 (midpoint) and A1000 Mill Green Lane, Hertfordshire (Grid ref TL240097) A1000 between A414 (midpoint) and A1000 Mill Green Lane, Hertfordshire (Grid ref TL239099) U, Moorlands, Hertfordshire (Grid ref TL252112) A414 between A1M / A1001 / A6129 and A1000 (midpoint), Hertfordshire (Grid ref TL229102) C, Beaconsfield Road, Hertfordshire (Grid ref TL231089) A1000 between A6129 and B195 W, Hertfordshire (Grid ref TL240121) A1001 between A1057 and A1M / A414 / A6129, Hertfordshire (Grid ref TL225100) A6129 between A1M / A1001 / A414 and B197, Hertfordshire (Grid ref TL227110) A6129 between B197 and A1000, Hertfordshire (Grid ref TL235120) B195, Black Fan Road, Hertfordshire (Grid ref TL262120) A1 between J3 and J4, Hertfordshire (Grid ref TL224099) A1000 between A1001 and A414W, Hertfordshire (Grid ref TL230080) U, Ridgeway, Hertfordshire (Grid ref TL254127) U, School Lane, Hertfordshire (Grid ref TL276086) B197, Great North Road, Hertfordshire (Grid ref TL223116) B158, High Road, Hertfordshire (Grid ref TL274083) B195, Welwyn Garden City, Hertfordshire (Grid ref TL252131) A1 between J4 and J5, Hertfordshire (Grid ref TL224120)