Rules of the Road

Passing a cyclist at 80 km/h on a PEI rural road with 1 metre clearance:

Prince Edward Island road sign — May destabilize the cyclist via turbulence — reduce speed further if possible
Show Answer & Explanation
Correct Answer: B. May destabilize the cyclist via turbulence — reduce speed further if possible

Wind turbulence scales with square of speed; slow pass is safer than bare-minimum-clearance pass.