Still struggling with Python. Does it actually find the route.html file or what? Perhaps my Python installation is kaput.

Actually, I just checked, it runs fine with python2.1, but gets a zerodivision error with python1.5. I'm trying to figure out why. It looks like 1.5 goes off into the woods in the distance calculation. The workaround fix is to only use the 'simple' distance calculation, change
Distance to Quick_Distance at line 110 in parse_mapsonus.py.