Section R156-63a-610 - Operating Standards - Vehicles(1) All contract security vehicles shall conform to the following requirements: (a) green, amber, and white are the only colors that may be used in roof mounted light bars facing forward on a contract security vehicle;(b) green, amber, and red are the only colors that may be used in roof mounted light bars facing rearward on a contract security vehicle;(c) light bars may only be operated on private property in which the company has a written contract;(d) light bars may be operated on public highways only when personally directed to do so by a peace officer; and(e) all contract security vehicles shall meet the requirements of Section 41-6a-1616.(2) A contract security company or its personnel may not utilize a vehicle whose marking, lighting and signal devices: (a) display any form of blue lighting;(b) use a siren in any manner;(c) display a star or star badge insignia; or(d) employ any wording that suggests they are connected with law enforcement.(3) A contract security company vehicle may have a public address system, an air horn, or both.(4) The word "Security", either alone or in conjunction with the company name, shall appear on each side and the rear of the company vehicle in letters no less than four inches in height and in a color contrasting with the color of the contract security company vehicle and shall be legible from a reasonable distance.Utah Admin. Code R156-63a-610