In the county purchasing process, the Oklahoma Department of Transportation (ODOT) has the following general responsibilities:

• 69 O.S. § 636.1
• 69 O.S. § 636.2
• Provide general oversight of federal and state fund allocations for use on roads and bridges;
• Use the County Road Machinery and Equipment Revolving Fund to purchase new or used road and bridge equipment for lease or lease purchase to counties upon request by the county:
  • Refer to Chapter Seven, “Purchasing by Rental, Lease, or Lease Purchase.”
• Assist counties in road plans and specifications; 69 O.S. § 636.6(B)
• Allow participation in ODOT auctions for the sale of county property; 69 O.S. § 636.3(E)
• Certify to the county that funds are unavailable in the County Road Machinery and Equipment Revolving Fund.