Thank you very much! This has worked and I now have a 16km route to have fun with :)
Hi Sophie - you'll need to temporarily turn the Auto-Plot switch off if the auto-plot routing won't follow a path on the map. You could also try changing the Auto-Plot switch to a different setting - it is likely that the problem is due to the path not being explicity designated on the OpenStreetMap database for the mode of travel you have selected. We have further advice on checking and updating the OSM maps here: how to make changes to OSM based maps.
I'm trying to plot a route at Greenham Common in Newbury and there is a "Yellow Route" mapped out will blue dots like you see on the canal paths etc but it won't let me plot a route over it. I have done it before (because I saved a route which I am now extending) but it won't let me go onto it. It's the main path so can't work out why this is.
Any ideas? FYI it lets me plot over the canal path route and this error apply regardless of map option.