I've had some fun looking at online map archives. Somewhere between 1961 and 1975, the houses down there get pulled down, the two roads in question fall out of use and drop off the maps. The website I found (national library of scotland, of all places) lets you overlay old maps on the latest aerial photography - really quite cool, that.
When you do that, you can see where the roads used to be - it's a lot less apparent from street level. Now it's just bits of hedgerow between fields and the odd random tree where there was a garden or two back in the day. And what used to be loads of small fields are now just a few big ones. Reminds me of what they used to do on Time Team with Stuart Ainsworth.
My neighbour (he'll be 90 in October) has lived out here all his life, but when you look at the maps and compare it to what's currently there, I don't think even he realises how much this area has changed in recent years.