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Danger Zones and Use of Mirrors

Danger Zones and Use of Mirrors covers the areas around a school bus a driver can't see directly and the mirror systems used to check them, drawn from 49 CFR 383.123(a)(2)(i) and the mirror-label rule at FMVSS No. 111 S9.3(c).

Practice Danger Zones and Use of Mirrors

4 Questions

  1. School bus guidance defines a danger zone around the bus. How far does it extend, and which part of it is most dangerous?
  2. The flat mirrors mounted at a school bus's front corners are correctly set. What should the driver be able to see in them?
  3. Under 49 CFR 571.111, a school bus cross view mirror with an average radius of curvature of less than 889 mm must carry a label visible to the seated driver. What does that label tell the driver?
  4. What is the overhead inside rearview mirror above a school bus windshield for, and what can it not be relied on to show?