(1) Specific information signs shall comply with the standards provided in 2G-5 of the Manual on Uniform Traffic Control Devices and the specifications in the contract between the department and the franchisee.

(2) Six business signs for gas, food, lodging, and camping will be available in each direction of travel at any interchange on an interstate highway except that at an interchange where there are more than six eligible businesses for a specific service, the excess eligible businesses may be combined on other specific service signs upon department approval. In the event other eligible businesses in other categories apply for participation, they shall be given priority over the excess businesses) upon contract expiration.

(3) Specific information signs shall be erected in the following order in the direction of traffic toward the exit: CAMPING, LODGING, FOOD, and GAS.

(4) Where there is insufficient space for all four specific service signs, or where there are business signs of two or more services competing for the unused space of another service, the following priority shall govern: GAS, FOOD, LODGING, and CAMPING. Where there is greater demand for signs in one service category than there is in a higher priority category, the franchisee may request approval from the department to set a different priority at that interchange. However, only two service categories may be displayed on a sign.