Adverse Conditions
Driving in rain, snow, fog, ice, night, and reduced visibility.
Adverse Conditions rules in Oregon follow the federal framework with state-specific limits, distances, and exceptions. The practice questions below are drawn from the Oregon driver handbook, so they track the state's own rules.
Adverse Conditions questions, Oregon edition.
Each question links through to a full explanation, the rule it tests, and a citation back to the manual.
- When must you turn on your headlights in Oregon? →
- You're driving into thick fog on an Oregon road. Which lights should you use? →
- It's raining in Oregon and you've turned on your windshield wipers. What else must you do with your lights? →
- Hydroplaning happens when a vehicle's tires skim or float over a wet road surface, reducing or eliminating steering and braking. What does the Oregon manual recommend to reduce the risk? →
- You must drive in heavy snow on an Oregon road. Which of the following is recommended by the handbook? →
- Within what distance of an oncoming vehicle must you dim your high beams in Oregon? →
- Your Oregon vehicle starts to skid on a slick road. What's the recovery procedure? →
- You're driving in Oregon during winter. The temperature has dropped just below freezing and the rest of the road looks clear. What's likely true about bridges and shaded areas? →
- According to the Oregon handbook, when is a road most likely to be the MOST slippery? →
- During what date range are studded tires generally allowed on Oregon roads? →
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