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U, Grange Road, Hertfordshire (Grid ref TQ126958) B462, Aldenham Road, Hertfordshire (Grid ref TQ126964) A411 between A4008 and A4140, Hertfordshire (Grid ref TQ130953) U, Homefield Road, Hertfordshire (Grid ref TQ132960) A4008 between A4008 split and A411/B462, Hertfordshire (Grid ref TQ120953) A411 between A4008 and A4008, Hertfordshire (Grid ref TQ119954) A4008 between A4008 split and A411/A4125, Hertfordshire (Grid ref TQ119953) A411 between A4008 and A4008, Hertfordshire (Grid ref TQ117963) A411 between A4008 and A4008, Hertfordshire (Grid ref TQ117963) A4008 between Hertfordshire boundary and A4008 split, Hertfordshire (Grid ref TQ120948) U, Moatfield Road, Hertfordshire (Grid ref TQ137957) A411 between A411 Beechen Grove split and A4008, Hertfordshire (Grid ref TQ115962) A4125 between A4178 and A411/A4008, Hertfordshire (Grid ref TQ115952) A4008 between A411 and A41/M1 roundabout, Hertfordshire (Grid ref TQ118970) A411 between A4145 and A411 Beechen Grove split, Hertfordshire (Grid ref TQ111960) U, Harcourt Road, Hertfordshire (Grid ref TQ140960) A4178 between A4125 and A4145 roundabout, Hertfordshire (Grid ref TQ110958) U, Mill Way, Hertfordshire (Grid ref TQ121973) A4145 between A4178 roundabout and A411, Hertfordshire (Grid ref TQ108961) U, St James Road, Hertfordshire (Grid ref TQ108959)