i know this has been mentioned before, but Streetview now covers most of England (not checked Scotland or Wales) and it is very good for checking junctions and site entrances. Planning your route on Google maps directions has the advantage that you can drag your route to amend it if it takes you on unsuitable roads.
ps I don't work for Google (or drive a camera car), but I found this exceptionally useful when I was going to Polstead C&CC site earlier this month.
ps I don't work for Google (or drive a camera car), but I found this exceptionally useful when I was going to Polstead C&CC site earlier this month.