The B3432 provides a local distribution route around the north of Plymouth serving several industrial estates. The road was originally unclassified but gained its number around 1990.
From the A386 at The George junction, the road runs along the perimeter of Plymouth Airport as an S2 road, serving a sparsely populated area. At Estover it becomes D2 as it passes through the industrialised area before TOTSOing right at a roundabout.
The section between Estover and Forder Valley never saw its full potential and there is stark evidence of future proofing with a large area of green land running parallel to the S2 in use, suggesting it was intended it should eventually have been a dual carriageway. The road drops sharply down the valley side to meet the B3413.
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