How accurate is the permanent way on OS Maps?
I've been toying with the idea of using an old OS Map (early 20th century) for a track plan and after seeing actual photos of some of the same track, the OS Map is quite off. I'm guessing that back in the days of drawing these maps by hand, they are just generalisations, especially where the permanent way is concerned.
Any thoughts?
After 43 years of working with them, I would say that you do have to treat Ordnance Survey maps with a degree of caution. That statement isn’t intended to denigrate the OS, either body or the surveyors, a number of whom I have counted as friends or former colleagues, but I do think you need a certain amount of knowledge to interpret what you see.
Firstly, the Ordnance Survey map is a topographical map, it is intended to show physical features – it is not, and never was, intended to s
