• Severe 50 mph M1 Hertfordshire
  • Medium M25 Hertfordshire
  • Medium A5 Dunstable
  • Medium A10 The Roundway Tottenham
  • Medium Hoppers Road Southgate
  • Medium 50 mph M1 Greater London
  • Medium A503 Seven Sisters Road Seven Sisters
  • Medium A104 Dalston Lane Kingsland
  • Medium A406 North Circular Road Neasden
  • Medium A10 Stoke Newington High Street Stoke Newington
  • Medium A41 North Western Avenue Colne Way Watford
  • Medium A107 Clapton Common Clapton
  • Medium A1000 High Road Great North Road East Finchley
  • Medium A5 Edgware Road Cricklewood
  • Medium A1010 High Road Tottenham
  • Medium B518 Highgate Road Kentish Town
  • Slight A406 North Circular Road Palmers Green
  • Slight A406 North Circular Road Golders Green
  • Slight A406 Pinkham Way North Circular Road Southgate
  • Slight Frith Lane Hendon
  • Slight 40 mph A413 Gerrards Cross
  • Slight 40 mph A413 Chalfont St Peter
  • Slight B176 Crossbrook Street Cheshunt
  • Slight A1170 High Street Hoddesdon
  • Slight A414 Hemel Hempstead
  • Slight A412 Southlands Road Iver
  • Slight A414 Hertford Road Hatfield
  • Slight A6129 Stanborough Road Welwyn Garden City
  • Slight B105 Manor Road Stoke Newington
  • Slight A5183 High Street Elstree
  • Slight B4506 Dunstable Road Ringshall
  • Low Impact Whippendell Road Watford
  • Low Impact Batchwood Drive St Albans
  • Low Impact Gorelands Lane Chalfont St Giles
  • Low Impact 40 mph A40 Western Avenue Denham
  • Low Impact Station Way St Albans
  • Low Impact Shantock Hall Lane Hemel Hempstead
  • Low Impact Pond Road Hemel Hempstead
  • Low Impact Greenwood Drive Watford
  • Low Impact Hollybush Lane Harpenden
  • Low Impact Noke Lane St Albans
  • Low Impact B5378 Shenley Road Borehamwood
  • Low Impact Quakers Lane Potters Bar
  • Low Impact Johns Lane Ashley Green
  • Low Impact Bower Lane Edlesborough
  • Low Impact Station Road Ware
  • Low Impact King Harry Lane St Albans
  • Low Impact Plantation Road Amersham
  • Low Impact A412 Denham Avenue Denham
  • Low Impact Duffield Lane Stoke Poges
  • Low Impact Gorelands Lane Chalfont St Giles
  • Low Impact Duffield Lane Stoke Poges
  • Low Impact A413 London Road East Amersham
  • Low Impact Gorelands Lane Chalfont St Giles