Why should posted speed limit signs on a curve be treated as a maximum for ideal conditions, not a guaranteed safe speed for every truck?

Pick an answer

1. Posted curve speeds apply only to passenger vehicles
2. Curve speed signs are recalculated separately for empty and loaded trucks, though it only feels that way with truck
3. Curve signs are purely advisory and can be safely ignored
4. A loaded or top-heavy truck may need to go slower than the posted curve speed to stay safe

Correct!

Not quite. The correct answer is highlighted.