To pass on a two-lane road, you should:
- Sound your horn as you pass.
- Flash your headlights as you pass.
- Judge the distance to any oncoming vehicles. ✓
Answer: C. Judge the distance to any oncoming vehicles.
Before you pass on a two-lane road, you should judge the distance to any oncoming vehicles so you know you have enough room to pass and get back in your lane.
Why this is the answer
The handbook says you must judge whether you have enough space to pass whenever you approach an oncoming vehicle or bicyclist, and that you should not pass unless you have enough space to return to your lane. On a two-lane road the oncoming traffic shares the space you want to use, so sizing up that distance comes before anything else. Warning devices are not part of the passing decision the handbook describes.
Why the other answers are wrong
- A. Sound your horn as you pass. — The handbook's passing guidance is about checking your space and sight lines, not about sounding the horn as you go by.
- B. Flash your headlights as you pass. — Flashing headlights is not listed anywhere in these passages as part of a safe pass; the passages talk about judging space and when passing is prohibited.
Remember it
Ask yourself one question before you pull out: is there room to get back in? If you can't see and measure the oncoming traffic, stay put.