Had a 800 meter driveway done from scratch, approx 3.5 wide and 6 inches deep. To save money a dam was dug and the excavated material was used for the road.
Suitable gravelly clay, set like concrete.
One 20 T excavator, one small excavator with blade at front, one single axle tipper, 2 men, 2.5 days. Total cost $ 5000.