try balancing out situations which may arise according to the highway code:
what do you have to contend with on a built up road v what you have to contend with on a motorway
in built up areas, there are blind ares: behind cars, walls, corners etc people walking out unexpectedly, having to stop at omph quickly.
on motorways, there are no people unless they've broken down, no blind areas, only trees sometimes lining the edges of the motorway, are motoways lit?
never noticed. your sight is better as nothing is hidden.
the only things that may happen are muppets changing lanes suddenly, without use of indicators, and people jumping off bridges.