She was on the washboard ruts before she realized they were there.
Following a long drive that consisted of little more than two ruts worn by vehicle tires, they came to the Marsh ranch.
As he maneuvered the truck through muddy ruts in the drive, she covertly studied his profile.
It may be supposed that originally the public roads, when worn by the cartage of the coal, were repaired by laying planks of timber at the bottom of the ruts, and that then the planks were laid on the surface of special roads or ways' formed between the collieries and the river.
(It is to be remembered, however, that the standard width of a Roman highroad in the neighbourhood of Rome itself is about 14 ft.) They are uniformly paved with large polygonal blocks of hard basaltic lava, fitted very closely together, though now in many cases marked with deep ruts from the passage of vehicles in ancient times.
How would you define ruts? Add your definition here.