Sgt. Troy Christianson

Sgt. Troy H. Christianson of the Minnesota State Patrol

Contributed

Question: What is the correct following distance? Everyone seems to be way too close behind each other.

Answer: The only law regarding following distance pertains to vehicles pulling trailers. This includes trucks as well as semi-truck tractors with trailers. They must maintain a minimum distance of 500 feet.

While state law does not require a specific distance for vehicles not pulling trailers, it does say that you shall not follow another vehicle more closely than is reasonable and prudent, having due regard for the speed of such vehicles and the traffic upon and the conditions of the highway.

We recommend the 3-second-plus following distance rule. Watch the vehicle in front of you. When that vehicle gets past an object such as a sign, pole, bridge, etc., then count off three seconds. You should not arrive at that spot sooner than your count to three. If you do, then you are following too close!

Also, you must add one second for every hazard that exists. Hazards include but are not limited to heavy traffic, rain, snow, fog, driving into the sun, etc. In some cases you might have to allow six, seven seconds (or even more) to be safe because of existing hazards.

When following a snowplow it is recommended that you maintain a distance of a minimum of 10 car lengths. It is important to keep your distance to avoid whiteout conditions that may be caused by the snowplow.

Crash facts show a much larger number of cars and pickup trucks being involved in fatal rear end crashes than semi-truck tractors pulling trailers.

If you have any questions concerning traffic related laws or issues in Minnesota send your questions to Sgt. Troy Christianson at troy.christianson@state.mn.us.

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(1) comment

ledwinc

What about Wisconsin law??

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