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A4178
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MABCU - Data for road nerds
Traffic Census Points on the A4178
A4178 between A411 and A412, Hertfordshire (Grid ref TQ105965)
A4178 between A4145 and A411, Hertfordshire (Grid ref TQ106963)
A4178 between A4125 and A4145 roundabout, Hertfordshire (Grid ref TQ110958)