A driver is transporting a shipment of Class 7 (Radioactive) materials that are designated as Highway Route Controlled Quantity (HRCQ). Which of the following is a specific requirement for the route this driver must follow?
- AThe driver must avoid all interstate highways.
- BThe driver is allowed to choose the most direct route, regardless of population density.
- CThe driver must follow a pre-planned, written route that has been approved by the shipper.
- DThe driver must only travel during daylight hours.
Show answer & explanationAnswer & explanation
Correct answer: C. The driver must follow a pre-planned, written route that has been approved by the shipper.
Highway Route Controlled Quantity (HRCQ) radioactive materials are among the most dangerous hazardous materials. Federal regulations (49 CFR 397.101) require that carriers transporting HRCQ radioactive materials must prepare and follow a written route plan approved by the shipper, which typically involves minimizing exposure to populated areas and avoiding certain routes.
Why the other options are wrong
- A. Avoiding all interstate highways is not a universal requirement; approved routes may include interstates.
- B. Choosing the most direct route regardless of population density is contrary to the intent of HRCQ routing, which prioritizes minimizing public exposure.
- D. Driving during daylight hours is not a specific requirement for HRCQ, although it may be part of an approved route plan.
HRCQ Radioactive Material Routing
Highway Route Controlled Quantity (HRCQ) radioactive materials require a specific, pre-planned, and written route plan that has been approved by the shipper, to minimize public exposure and ensure safety during transit.
- Applies to Class 7 (Radioactive) materials designated as HRCQ.
- Route must be pre-planned and written.
- Route must be approved by the shipper.
- Focuses on minimizing risk to the public.
Memory trick: Radioactive Routes: Plan It, Write It, Get It Right, Stay Away From Light (Populated Areas).