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Warning signal lamps around disabled vehicle
When a pole trailer 80 inches or more in width or 30 feet or more in length is stopped on a roadway or adjacent shoulder, the operator must immediately actuate vehicular hazard warning signal lamps.
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Hazard warning lamp rule
In addition to the general hazard warning lamp rule, a pole trailer must be equipped with hazard warning lights if it is 80 inches or more in overall width or 30 feet or more in overall length. The hazard warning lights must comply with Utah Code Ann. § 41-6a-1601.
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Legal size/ drawbar
The drawbar or other connection between any two vehicles may not exceed 15 feet in length, except in the case of a connection between and two vehicles transporting poles, pipe, machinery, or structural material that cannot be dismembered when transported upon a pole trailer.
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Key definitions
"Pole trailer" means a vehicle without motive power: (1) designed to be drawn by another vehicle and attached to the towing vehicle by means or a reach, or pole, or by being boomed or otherwise secured to the towing vehicle; and (2) ordinarily used for transporting long or irregular shaped loads including poles, pipes, or structural members generally capable of sustaining themselves as beams between the supporting connections.