2020 Gravel Driveway Costs | Road Base & Crushed Rock ...
Parking Lots or Pads. The average size for a parking spot or single parking pad is 18 by 9 feet. The price of gravel for one spot with a depth of a 3 inches is about $60.A 1,000-square-foot parking lot with four spaces and room to pull in and back out costs about $370.A 1,512-square-foot parking lot with six spaces is about $560.