From the blog "Nick Wood"

There are lots of different plants, shrubs and bushes that tend to thrive on railway embankments, particularly in the years since steam ceased to operate. Embankments were managed in steam days to reduce the risk of fires, with the advent of diesel traction they were almost left to grow wild. Electrification has seen much of the wild growth being cut back presumably to give better access to install the gantries and maintain them. So taking none of this into account I decided to add a couple of v