grid road
A back-country unpaved road.  They are found in various states of repair; the good ones are graded and covered in gravel.  They are referred to as such because they most often run North-South and East-West as if on a grid.

Known to Saskatchewanians. 
The boys got in the truck and went for a booze cruise on the grid roads outside of town.

The farmer took the grid road to get from her home quarter to town.