From Roader's Digest: The SABRE Wiki
|Length:||18.7 miles (30.1 km)|
|Met (1923):||A388, B3216, A39|
|Now part of:||B3254|
|Route outline (key)|
The B3259 was a long rural B-road along the Devon/Cornwall border.
At its northern end the B3259 bore westward and ended on the A39 in Kilkhampton.
The road was renumbered as a northern extension of the B3254 in 1935, creating a road running almost from coast to coast. It remains this number.