A commercial motor vehicle is transporting an overlength structural steel beam on a flatbed trailer, with the cargo extending 5 feet beyond the rear of the trailer deck. When driving conditions transition from daylight to darkness, what is required to properly mark the rear projection?
- AMaintain the standard daytime red warning flags, provided following distance behind leading traffic is doubled.
- Equip the extreme rear and sides of the projecting cargo with red warning lights visible from at least 500 feet.Cevap
- CKeep the daytime flags in place if travel speed is reduced by at least 10 mph below posted curve advisories.
- DRely on standard trailer taillights without lighting the projection, provided wider turns are executed to manage off-tracking.
Cevap
Equip the extreme rear and sides of the projecting cargo with red warning lights visible from at least 500 feet.
Under commercial vehicle safety rules and special cargo regulations, any load extending more than 4 feet beyond the rear of the vehicle body must be marked. While red or fluorescent orange flags are permitted during daylight, darkness requires red warning lights at the extreme rear and sides of the projection that are visible from at least 500 feet.
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Anahtar Kavram
Marking and illumination rules for oversized and projecting cargo during night driving.
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