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A412 between A41(T) and A405(T), Hertfordshire (Grid ref TL114000) C, Sheepcot Lane, Hertfordshire (Grid ref TQ111999) A405 between A41 and A412, Hertfordshire (Grid ref TL110004) U, Garston Lane, Hertfordshire (Grid ref TL120000) M1 between J5 and J6, Hertfordshire (Grid ref TL123002) A405 between A412 and M1, Hertfordshire (Grid ref TL117010) A41 between Woodmere Ave and A412, Hertfordshire (Grid ref TQ120989) U, Fuller Gardens, Hertfordshire (Grid ref TQ107988) A41 between A412 and A405, Hertfordshire (Grid ref TQ100995) U, Middle Way, Hertfordshire (Grid ref TQ105987) C77, Hill Farm Avenue, Hertfordshire (Grid ref TL101009) U, Dell Road, Hertfordshire (Grid ref TQ102988) U, Westfield Avenue, Hertfordshire (Grid ref TQ117982) A41, Hertfordshire (Grid ref TQ095996) A41 between A4008 / M25 J5 and Woodmere Ave, Hertfordshire (Grid ref TQ125984) A41, Abbots Langley, Hertfordshire (Grid ref TQ094999) A41, Hertfordshire (Grid ref TQ094996) A41, Hertfordshire (Grid ref TQ092996) C, Radlett Road, Hertfordshire (Grid ref TQ117978) U, School Lane, Hertfordshire (Grid ref TL133010)