60-5-513. Sign composition -- spacing -- conformity with laws. (1) A specific information sign panel must have a blue background with a white reflectorized border. The panels may be illuminated subject to regulation by the department.

(2) A business sign must have a blue background with a white legend unless other requirements are established by the department. Nationally, regionally, or locally known commercial symbols, brands, or trademarks for service stations, restaurants, campgrounds, and motels must be used when applicable. The symbol, brand, or trademark used on the business sign must be reproduced in the colors and general shape consistent with customary use. Messages, symbols, brands, or trademarks that interfere with or resemble any official warning or regulatory traffic sign, signal, or device are prohibited.

(3) Specific information signs are permitted only at locations where there is adequate distance between interchanges in compliance with the Manual on Uniform Traffic Control Devices, as amended.

(4) The spacing between two specific information sign panels and between specific information sign panels and official traffic control signs must be in accordance with the Manual on Uniform Traffic Control Devices. If there is insufficient space for both official traffic control signs and specific information signs, the official traffic control signs must be installed.

(5) The erection and maintenance of specific information signs must conform to national standards promulgated by the secretary of the U.S. department of transportation pursuant to 23 U.S.C. 131 and 23 U.S.C. 315 and rules adopted by the department under 60-5-503.