Practice question

Where are the primary commercial vehicle blind spots ('No-Zones') located on a heavy tractor-trailer?

  1. Only directly above the roof of the cab
  2. Directly in front of the cab (roughly the first 6 metres), directly behind the trailer (up to about 60 metres), on the left side under the cab, and a large blind zone down the entire right side
  3. Heavy trucks have zero blind spots due to large convex mirrors
  4. Only inside the engine bay

Answer: B — Directly in front of the cab (roughly the first 6 metres), directly behind the trailer (up to about 60 metres), on the left side under the cab, and a large blind zone down the entire right side

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