This article contains a useful overview of the Clyst Honiton bypass tunnel, whose lights are being replaced by LEDs.
But the accompanying aerial view of it is the more interesting photo:
It is a “Growth Point” development site
and, obviously, a new road could not interfere with that given its access to vastly more development land a la Lidl and Skypark!
With the airport and other developments in “Greater Exeter”, will Cranbrook become one of the most polluted places in Devon?