Who is allowed to equip a vehicle with emergency lights or sirens?
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A.
Only law enforcement and emergency vehicles Correct
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B.
Drivers of tow trucks and roadside assistance vans
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C.
Private security guards driving their own cars
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D.
Any driver who legally buys the equipment
The answer is "Only law enforcement and emergency vehicles"
The handbook reserves emergency lights and sirens for law enforcement and emergency vehicles. Drivers pick option B because they see amber flashers on tow trucks every day and treat any warning light as the same category the handbook names.
The traps in the wrong answers
B. Drivers of tow trucks and roadside assistance vans
Tow trucks and service vans may carry amber warning lights, which are not the emergency lights and sirens the handbook reserves for law enforcement and emergency vehicles. This answer comes from watching wreckers work alongside police at crash scenes and assuming the handbook's emergency category stretches to cover roadside service.
C. Private security guards driving their own cars
Private security is not law enforcement, so a guard's car does not count as a law enforcement or emergency vehicle under this rule. Treats the authority a guard has on private property as the same status the handbook names on the public road.
D. Any driver who legally buys the equipment
Being able to buy a siren at a parts counter is not the same as being allowed to run one on the road. Confuses what is legal to sell as hardware with what the handbook permits on a vehicle. This answer confuses the legality of purchasing equipment with the legality of operating it on a vehicle.
This question tests your knowledge of Vehicle Equipment in North Carolina. Source: North Carolina Driver Handbook, "Horns and Sirens," p.67..
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