How far must the brake or turn signal lights be visible in normal daylight?

• 50 feet
• 100 feet
  Explanation:

  "All motor vehicles produced since 1955 must have red or amber lights that engage when the brakes or turn signals are used, these lights may be combined with the taillights or may be separated, and they must be visible for at least 100 feet in normal daylight."
• 200 feet
• 500 feet