Interstate safety — Vermont Permit Test

The easiest way to tell whether you are a safe distance from the vehicle ahead on an Interstate is the 4-second distance rule, and a wet or slippery road needs more space than that.

It is the same rule as everywhere else, and it is worth more here because everything is happening faster.

The easiest way to tell if you are a safe distance from the vehicle ahead of you is to use the 4-second distance rule.

Never stop in a traffic lane on an Interstate. It is illegal to stop there unless it is an emergency, and then you move into the breakdown lane as far to the right as possible.

A stopped car in a 65 mph lane is a wall that the driver behind has about three seconds to find.

Never stop in the traffic lane. It is illegal to stop on an interstate unless it is an emergency.

If you need help after stopping on an Interstate, raise the hood of your vehicle, tie a white cloth to it and stay in your vehicle.

Outside the car you are a pedestrian on a highway, which is the most dangerous thing you can be there.

If you need help, raise the hood of your vehicle, tie a white cloth on the vehicle, and stay in your vehicle.

You should drive in the right lane on an Interstate unless you are passing another vehicle or a sign says otherwise.

Keeping right leaves the other lane free for the traffic that is actually moving faster.

You should drive in the right lane unless you are passing another vehicle or a sign indicates otherwise.

Driving when tired is a major cause of crashes on interstates. If you become tired, stop and rest in a safe area as soon as possible.

A long straight road at a steady speed is the easiest place in the world to fall asleep.

Do not drive when tired. Driving when tired is a major cause of crashes on interstates.

If you miss your exit ramp, never stop and back up and never use the emergency turnaround. Those crossovers are for emergency and maintenance vehicles only. Go on to the next exit.

Backing up on an Interstate puts you against 65 mph traffic that is not expecting anything to be still, let alone reversing.

If you miss your exit ramp, never stop and back up and never use the emergency turnaround.

Never use cruise control in driving conditions such as rain, fog, snow or ice.

Cruise control keeps the power on when the wheels start to slip, which is the opposite of what is needed.

Never use cruise control in driving conditions such as rain, fog, snow, ice, etc.

Approaching a law enforcement, emergency or repair vehicle with a flashing light at the side of the road, you must proceed with caution and change lanes away from it as soon as it is safe. If you cannot change lanes you must slow to 20 mph below the speed limit.

Where the lane change is impossible the law still wants a margin, and it names the number rather than leaving it to a judgment call.

If you are unable to change lanes you must slow down to 20 mph below the speed limit in order to go by the stopped vehicles.

What distance rule applies on a Vermont Interstate?

The 4-second rule, with more space when wet. It is the same rule as everywhere else, and it is worth more here because everything is happening faster. 2025 Vermont Driver's Manual, p.50: “The easiest way to tell if you are a safe distance from the vehicle ahead of you is to use the 4-second distance rule.”