0 a small road that does not have much traffic on it --
1 a small road without much traffic, away from a main road --
For example, a long-haul truck driver takes a shortcut on a back road and the load is lost when the road is destroyed in an unforeseen flood.
The speaker then imagines driving down a back road in his truck.
It is now an unpaved and lightly traveled back road.
Meanwhile, on another back road, the girls burn out their radiator.
The group has driven eight miles off the nearest back road without having told anyone where they were going, making rescue impossible.
So, he sent a small party by a back road to check it out and to cut off the retreat of this scouting party.
For example, a distance-based system may not distinguish between highway, city street, or rural back road driving.
The initial exchange, on a deserted back road, goes without incident.