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9.6 – Hazardous Materials — Driving and Parking Rules

9.6.1 – Parking with Division 1.1, 1.2 or 1.3 Explosives

Never park with Division 1.1, 1.2 or 1.3 explosives within 5 feet of the traveled part of the road. Except for short periods of time needed for vehicle operation necessities (e.g., fueling), do not park within 300 feet of:

  • A bridge, tunnel or building.
  • A place where people gather.
  • An open fire.

If you must park to do your job, do so only briefly. Do not park on private property unless the owner is aware of the danger. Someone must always watch the parked vehicle. You may let someone else watch it for you only if your vehicle is:

  • On the shipper's property.
  • On the carrier's property.
  • On the consignee's property.

You are allowed to leave your vehicle unattended in a safe haven. A safe haven is an approved place for parking unattended vehicles loaded with explosives. Designation of authorized safe havens is usually made by local authorities.

9.6.2 – Parking a Placarded Vehicle Not Transporting Division 1.1, 1.2 or 1.3 Explosives

You may park a placarded vehicle (not laden with explosives) within 5 feet of the traveled part of the road only if your work requires it. Do so only briefly. Someone must always watch the vehicle when parked on a public roadway or shoulder. Do not uncouple a trailer and leave it with hazardous materials on a public street. Do not park within 300 feet of an open fire.

9.6.3 – Attending Parked Vehicles

The person attending a placarded vehicle must:

  • Be in the vehicle, awake and not in the sleeper berth or within 100 feet of the vehicle and have it within clear view.
  • Be aware of the hazards of the materials being transported.
  • Know what to do in emergencies.
  • Be able to move the vehicle, if needed.

9.6.4 – No Flares

You might break down and have to use stopped vehicle signals. Use reflective triangles or red electric lights. Never use burning signals, such as flares or fuses, around a:

  • Tank used for Class 3 (flammable liquids) or Division 2.1 (flammable gas) whether loaded or empty.
  • Vehicle loaded with Division 1.1, 1.2 or 1.3 explosives.

Multiple-Choice Questions:

Question #425 (1 of 5)

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Never park with Division 1.1, 1.2 or 1.3 explosives within 5 feet of the traveled part of the road. Also, except for short periods of time needed for vehicle operation necessities (e.g., fueling), do not park within 300 feet of:

  • All these are correct
  • A bridge, tunnel or building
  • A place where people gather.
  • An open fire

Never park with Division 1.1, 1.2 or 1.3 explosives within 5 feet of the traveled part of the road. Except for short periods of time needed for vehicle operation necessities (e.g., fueling), do not park within 300 feet of:

  • A bridge, tunnel or building.
  • A place where people gather.
  • An open fire.
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Question #426 (2 of 5)

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What is a safe haven?

  • A parking spot in the truck stop that drivers can reserve ahead of time if parking may be full
  • A safe place for the driver to stand when a truck is being loaded or unloaded
  • An approved place for parking unattended vehicles loaded with explosives
  • An approved place for sheltering from a tornado or heavy storm
A safe haven is an approved place for parking unattended vehicles loaded with explosives
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Question #429 (3 of 5)

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If you break down while carrying Division 1 explosives, Division 2 Flammable Gas, or Class 3 Flamable Liquids you must:

  • Never use burning signals such as flares or fuses
  • None of these are correct
  • Contact the federal emergency response team immediately
  • Use burning signals such as flares or fuses

You might break down and have to use stopped vehicle signals. Use reflective triangles or red electric lights. Never use burning signals, such as flares or fuses, around a:

  • Tank used for Class 3 (flammable liquids) or Division 2.1 (flammable gas) whether loaded or empty.
  • Vehicle loaded with Division 1.1, 1.2 or 1.3 explosives.
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Question #428 (4 of 5)

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Which of the following are true when parking a placarded vehicle?

  • Do not uncouple a trailer and leave it with hazardous materials on a public street.
  • Someone must always watch the vehicle when parked on a public roadway or shoulder.
  • Do not park within 300 feet of an open fire.
  • All these are correct
You may park a placarded vehicle (not laden with explosives) within 5 feet of the traveled part of the road only if your work requires it. Do so only briefly. Someone must always watch the vehicle when parked on a public roadway or shoulder. Do not uncouple a trailer and leave it with hazardous materials on a public street. Do not park within 300 feet of an open fire.
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Question #427 (5 of 5)

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When parking a truck containing hazardous materials, you must not park within how many feet from open flames?

  • 300 ft
  • 100 ft
  • 50 ft
  • 200 ft
Do not park within 300 feet of an open fire
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