Which option best defines the zone system?

• The area surrounding a vehicle where parking is prohibited.
• The space around a vehicle that extends as far as the driver can see.
  Explanation:

  "The zone system consists of six (6) zones (areas of space) around your vehicle that is the width of a lane extending as far as the driver can see."
• The designated lanes for through traffic on highways.
• The region of a vehicle's interior where passengers are seated.