Speed Limits & Following Distance — Utah
Utah CDL practice test: 477 free practice questions (Based on the official driver handbook). The official format is not yet verified; check the official site before your test. Speed Limits & Following Distance: 19 questions.
Posted speed limits, school and construction zones, stopping and following distance.
This topic page is still being reviewed against the official handbook. Until review is finished it is hidden from search engines.
| Topic / Metric | Value |
|---|---|
| Topic | Speed Limits & Following Distance |
| License test | Utah CDL permit (CLP) knowledge tests |
| Topic questions | 19 (4% of 477 total) |
| Review status | This topic page is still being reviewed against the official handbook. Until review is finished it is hidden from search engines. |
Official handbook
Not yet verified
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Questions (19)
1. About how many seconds in advance of a bus stop should warning lights be activated?
- One to two seconds
- Two to four seconds
- Five to ten seconds ✓
- 45 seconds
Answer: C. Five to ten seconds
2. After two violations of any state law regarding hand-held mobile phone use:
- You will need to cancel your mobile phone service.
- Your CDL will be disqualified. ✓
- You will be required to drive 10 mph under the posted speed limit for a period of time.
Answer: B. Your CDL will be disqualified.
After two or more convictions for violating a state law on hand-held mobile phone use, your CDL will be disqualified. The handbook states that a CDL is disqualified after two or more convictions of any state law on hand-held mobile telephone use while operating a CMV. It adds that the disqualification lasts 60 days for a second offense within three years, and 120 days for three or more offenses within that period. The same section also bars motor carriers from requiring or letting drivers use hand-held phones, and it notes the first and later violations can bring civil penalties on the driver.
3. The faster you drive:
- The shorter your stopping distance will be.
- The longer your stopping distance will be. ✓
- The easier it will be to stop your vehicle.
Answer: B. The longer your stopping distance will be.
The faster you drive, the longer your stopping distance will be. The handbook's stopping-distance figure makes the trend clear: as speed rises, braking distance rises too. It shows that doubling speed from 20 to 40 mph makes braking distance four times longer, and tripling speed to 60 mph makes it nine times longer. Higher speed also increases crash severity. Slowing down is the way to reduce braking distance, so faster driving means you need more room to stop, not less.
4. If you are driving at a reduced speed in a construction zone when you spot a construction worker near the road, you should:
- Speed up.
- Stay at your current speed.
- Further reduce your speed. ✓
Answer: C. Further reduce your speed.
You should further reduce your speed when a construction worker is near the road. The handbook says speeding traffic is the leading cause of injury and death in roadway work zones. It tells you to observe posted limits, watch your speedometer so it does not creep up through long construction sections, and slow for bad weather or road conditions. It then says to decrease your speed even further when a worker is close to the roadway. Since you are already driving at a reduced speed in a construction zone, seeing a worker near the road calls for one more reduction, not holding steady or speeding up.
5. To prevent a trailer from rolling over, you should:
- Speed up when nearing a corner.
- Make sudden steering moves.
- Take on-ramps faster than the posted speed limit.
- Drive slowly around corners. ✓
Answer: D. Drive slowly around corners.
To prevent a trailer from rolling over, drive slowly around corners. The handbook says rollovers happen when you turn too fast. For trailers, it advises you to steer gently and go slowly around corners, ramps, off ramps, and curves. A speed that is safe for a straight truck or a single trailer may be too fast for doubles or triples. Slowing down around a corner reduces the chance that turning speed will tip the trailer. The passage ties rollover prevention directly to gentle steering and lower speed in turns.
6. If you are being tailgated, you should:
- Drive on the shoulder.
- Pull off the roadway.
- Drive faster.
- Allow the vehicle to pass. ✓
Answer: D. Allow the vehicle to pass.
If you are being tailgated, allow the vehicle to pass by holding a steady, low speed and leaving extra room in front of you so the tailgater can get around. The handbook lists specific responses for a tailgater: avoid quick changes by signaling early and slowing gradually, open up your following distance, and do not speed up. It notes that extra room ahead both reduces your need for sudden moves and makes it easier for the tailgater to get past you. So the goal is not to escape the tailgater but to make passing them easy and predictable. The handbook also warns against tricks like flashing brake lights or turning on taillights.
7. If another driver is tailgating you, you should:
- Move into the left lane.
- Speed up.
- Increase the distance between you and the vehicle ahead. ✓
Answer: C. Increase the distance between you and the vehicle ahead.
When someone is tailgating you, increase the distance between your vehicle and the vehicle ahead of you. The handbook lists increasing your following distance as one of the things to do when you are being tailgated. Opening up room in front of you means you won't have to make sudden speed or direction changes, and it also gives the tailgater an easier chance to get around you. The same section warns against speeding up, since being tailgated at a low speed is safer than at a high speed, and it says to avoid tricks like flashing brake lights or turning on taillights.
8. The Individual Vehicle Distance Record (IVDR) must include all of the following, except:
- The date of trip.
- The route of travel.
- The total distance traveled.
- The number of stops. ✓
Answer: D. The number of stops.
9. If another driver is tailgating you, you should:
- Move into the left lane.
- Speed up.
- Increase the space in front of your vehicle. ✓
- Flash your lights.
Answer: C. Increase the space in front of your vehicle.
Increase the space in front of your vehicle. The handbook's advice for being tailgated is to open up room ahead of you. That larger following distance means you will not have to brake or steer suddenly, and it gives the tailgater an easier chance to get around you. The same section says not to speed up and to avoid tricks such as flashing lights, so the safe response is to manage the space in front rather than react to the driver behind.
10. Stopping distance can be affected by:
- Speed. ✓
- Engine oil.
- Time of day.
- Traffic.
Answer: A. Speed.
Stopping distance can be affected by speed. The handbook ties stopping distance to how fast you are going. Figure 2.11 shows that when you double your speed, braking distance becomes four times longer, and high speeds greatly increase stopping distances. It also says that slowing down reduces braking distance. So among these choices, speed is the factor that directly changes the distance your vehicle needs to stop.
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Last checked: 2026-10-17 · Verified from official source
Updated: · Based on the official driver handbook