Illinois Permit Test (SOS Written Test) — All Questions
5 questions
On rural interstate highways in Illinois, the maximum posted speed limit is generally:
- a.55 mph
- b.65 mph
- c.70 mph✓
- d.80 mph
Illinois posts a maximum of 70 mph on many rural interstate highways; limits are lower on urban interstates and other roads, so always obey the posted sign.
The basic speed law in Illinois means you must:
- a.Never drive faster than is reasonable and proper for conditions✓
- b.Always drive the posted limit exactly
- c.Drive at least 40 mph on any road
- d.Match the speed of surrounding traffic no matter what
Under the basic speed law you must never drive faster than is reasonable and proper for the conditions, which may require driving below the posted limit in rain, snow or fog.
In fog, rain or snow, a good rule for following distance is to:
- a.Follow closer to see better
- b.Keep exactly one car length
- c.Keep the same distance as on dry roads
- d.Increase your following distance because stopping takes longer✓
Reduced traction and visibility mean you need more space; increase your following distance and slow down so you can stop safely in poor conditions.
If your vehicle begins to skid on ice or snow, you should:
- a.Brake hard and hold the wheel straight
- b.Ease off the gas and steer in the direction you want the front of the car to go✓
- c.Accelerate to straighten out
- d.Pump the horn and brake firmly
To recover from a skid, take your foot off the accelerator, avoid slamming the brakes, and steer gently toward where you want the front of the vehicle to point.
When must you turn on your headlights in Illinois?
- a.Only after midnight
- b.Only on interstates
- c.From sunset to sunrise and whenever weather requires wipers or you cannot see clearly✓
- d.Only when other cars have theirs on
Illinois requires headlights from sunset to sunrise and whenever conditions such as rain, snow or fog reduce visibility or require continuous wiper use.