Following Distance - ONLINE CDL SCHOOL

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Following Distance

Build confidence with 10 original questions about Following Distance. Review your answers and explanations after finishing.

Supplemental study practice. This is not a government licensing exam or ELDT certification, and does not replace hands-on training. Follow your state’s current handbook.

1 / 10

On a wet road, how should you adjust your speed to maintain safe stopping distance?

Increase speed by one-third

Maintain the same speed

Reduce speed by about one-third

Reduce speed by half

2 / 10

If the road is icy, what is the best action regarding your speed?

Reduce speed to a crawl and stop driving as soon as you can safely do so

Drive at posted speed limit

Maintain normal speed

Increase speed to pass other vehicles

3 / 10

What should you do if you are being tailgated while driving a large vehicle?

Make quick lane changes

Increase your following distance

Flash your brake lights

Speed up to get away from the tailgater

4 / 10

What is the total stopping distance for a heavy vehicle traveling at 55 mph on dry pavement?

About 200 feet

About 600 feet

About 300 feet

About 450 feet

5 / 10

Why do empty trucks require greater stopping distances than fully loaded trucks?

They use more fuel

They are lighter and stop faster

They have less traction and can bounce or lock wheels

Their brakes are less effective when empty

6 / 10

When driving a 60-foot commercial vehicle at 45 mph, how many seconds of following distance should you maintain?

5 seconds

7 seconds

6 seconds

4 seconds

7 / 10

If you are driving a 40-foot vehicle at 50 mph, what is the minimum safe following distance?

5 seconds

3 seconds

4 seconds

6 seconds

8 / 10

What is the main reason to keep a safe space ahead of your vehicle?

To avoid speeding tickets

To have time to stop if the vehicle in front stops suddenly

To save fuel

To allow others to merge

9 / 10

What happens to your stopping distance if you double your speed?

It quadruples

It triples

It doubles

It stays the same

10 / 10

How can you check if you have enough following distance behind another vehicle?

Estimate the distance visually

Count the seconds as the vehicle ahead passes a landmark

Rely on your speedometer

Use your mirrors

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