Driving on the interstates of Colorado, you would think that the posted minium speed limit is somewhere between 90 to 120 mile per hour. While many drivers seem to fly by law abiding citizens, there are some that like to only go 60 miles per hour on the interstate.


I will say that there are many more cars going above the speed limit versus under on Insterstate 25 in particular. These cars that are constantly going over the speed limit got wondering.

What is the highest speed limit in the state of Colorado?

With many drivers going at least 10 to 15 miles over the speed limit, you might be surprised to know that the maximum speed limit in the state of Colorado is only 75 miles per hour. Other states in the nation have speed limits that are a tad bit higher and other states have a drastically lower maximum speed limit.

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The state of Oregon has a maximum speed limit of only 65 mile per hour. 10 miles per hour less than the state of Colorado. Oregon isn't alone in the 65 mile per hour speed limit zone as Alaska, Connecticut, Delaware, Illinois, Maryland, Massachussetts, New Hampshire, New Jersey, New York Pennsylvania, Rhode Island, Vermont, Wisconsin, and Utah according to rhinocarhire.com.

The slowest speed limit in the United States is in Hawaii at only 60 miles per hour.

The Fastest Speed Limit in the United States

The fastest posted speed limit in the United States is in the state of Texas. At 85 miles per hour, there is only one highway in the Lonestar State where you can do 85 miles per hour and not get a ticket. This stretch of highway is Texas State Highway 130, also known as the Pickle Parkway that spans 41 miles.

In 1995, the state of Montana removed the speed limits for a few years. In 1999, a supreme court ruling set a maximum speed limit in the state at 75 miles per hour. Today, there is a speed limit in certain parts of Montana where drivers can do 80 miles per hour. Montana also had no speed limit during the day prior to 1974 according to usatoday.com.

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