Practice Quiz

Commercial Driver's License

Category - Emergencies

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Drivers who encounter a brake failure on steep downgrades should use escape ramps to stop the vehicle. If no escape ramp is available, the driver should:
  1. Use an open field if one is available and safe to drive into.
  2. Drive onto uphill areas if possible.
  3. Look for flatter areas to drive onto.
  4. All of the above can be useful in this type of emergency.
Explanation
Answer: D - In the event of a brake failure on a steep downgrade, drivers must use whatever they can find to slow and stop their vehicles. When an escape ramp is not available, drivers may be able to steer onto open fields that will often bring a vehicle to a stop. They may also look for any uphill areas or areas that are flat that they can steer onto. These actions must be taken as soon as possible, as the longer the vehicle remains on the downgrade, the faster it is likely to go.
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