Description
Oklahoma Department of Transportation (OKDOT) gravel is gravel that meets the specifications set by the Oklahoma DOT.
The Materials Division of the OKDOT approves gravel sources and ensures that the gravel meets the required specifications.
Approval process
- The Materials Division reviews submitted reports and performs supplemental testing
- The Materials Division compares the lab test results to the aggregate material specifications
- If the results are satisfactory, the Materials Division visits the site to obtain samples and perform more testing
- The Materials Division approves the gravel source for specific uses


