Practice question

Lighting inspection on a tractor-trailer must verify:

  1. Only headlights
  2. Headlights, tail lights, brake lights, turn signals, marker lights, identification lights, reflectors, and trailer ABS lamp — all required by 49 CFR § 393.9 and § 393.11
  3. Only turn signals
  4. Only flashing emergency lights

Answer: B — Headlights, tail lights, brake lights, turn signals, marker lights, identification lights, reflectors, and trailer ABS lamp — all required by 49 CFR § 393.9 and § 393.11

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