Rules and conditions
If the truck's side mirrors cannot be seen, the driver may be unable to see your vehicle. Large vehicle blind spots can hide a nearby vehicle despite the truck having large mirrors. Avoid cutting into a truck's stopping space and then slowing suddenly. A truck needs more stopping distance than a passenger vehicle traveling at the same speed. Stay out of the space beside a turning truck because its rear wheels track inside the front wheels. A wide initial movement can be part of a tight turn, not an invitation to squeeze alongside. Give a motorcycle its lane space and do not try to pass it within the same lane. A small physical width does not remove the rider's need for maneuvering space. For an approaching emergency vehicle using siren and red lights, move right and stop safely; clear an intersection first. An emergency route must remain open without creating a new obstruction in the junction. Yield to a pedestrian crossing at a marked or unmarked crosswalk. Paint is not the only basis for pedestrian priority at a crossing. Do not pass a vehicle stopped at a crosswalk because it may be screening a pedestrian. The stopped vehicle can hide the very person for whom it is yielding.
Worked comparison
For example, a car follows a truck where the truck's side mirrors are not visible. The defensible response is: Leave the blind area when safe. Compare this with the mistaken proposal: Assume large mirrors eliminate every blind spot. Large vehicle blind spots can hide a nearby vehicle despite the truck having large mirrors. For example, a driver passes a large truck just before a red light. The defensible response is: Keep enough space ahead of the truck for its longer stopping distance. Compare this with the mistaken proposal: Merge as soon as the car's front bumper clears the truck. A truck needs more stopping distance than a passenger vehicle traveling at the same speed.
Transfer and self-check
For each case ask what might be hidden and what escape space the other road user needs. Contrast waiting behind a turning truck with squeezing alongside it. Contrast yielding at an unmarked crosswalk with assuming that only paint creates a pedestrian crossing.
A car follows a truck where the truck's side mirrors are not visible. Which response follows the applicable California handbook rule?
- Identify the relevant condition: A car follows a truck where the truck's side mirrors are not visible.
- If the truck's side mirrors cannot be seen, the driver may be unable to see your vehicle.
- Large vehicle blind spots can hide a nearby vehicle despite the truck having large mirrors.
Compare the other answer choices
The proposal "Assume large mirrors eliminate every blind spot." conflicts with this applicable condition: If the truck's side mirrors cannot be seen, the driver may be unable to see your vehicle. It does not resolve the stated risk: Large vehicle blind spots can hide a nearby vehicle despite the truck having large mirrors.
The proposal "Use the horn as a substitute for leaving the blind area." conflicts with this applicable condition: If the truck's side mirrors cannot be seen, the driver may be unable to see your vehicle. It does not resolve the stated risk: Large vehicle blind spots can hide a nearby vehicle despite the truck having large mirrors.
The proposal "Stay close because the truck driver sits higher." conflicts with this applicable condition: If the truck's side mirrors cannot be seen, the driver may be unable to see your vehicle. It does not resolve the stated risk: Large vehicle blind spots can hide a nearby vehicle despite the truck having large mirrors.
Try it, then explain it.
Complete a short set without looking at the example. After each answer, explain which evidence or rule supports your decision and why the alternatives do not fit.
Sources & authorship
Original Slope explanations and examples. References support the concepts; they are not the source of copied questions. Independent educator review is pending.
California DMV laws and rules of the roadCalifornia DMV laws and rules of the road cont1