70 MPH on Interstate Highways.
70 MPH
There are several Interstate Highways with a 75 MPH speed limit at various points throughout their span, but there isn't one which has that speed limit at every single point.
70mph on some rural interstate highways
It is important to drive safely. The speed limit on a rural interstate highway is usually set somewhere between 65 miles per hour and 80 miles per hour.
On highways that are not limited access roadways is may be legal, according to state law. However, it is NOT legal on interstate highways.
104,6 km/h
The minimum speed on major routes (if any) varies by state. As an example, in many jurisdictions the minimum speed on a 65 MPH Interstate is 45MPH. Most states have a catch-all rule that states you can be ticketed for driving at any speed that is so slow as to impede the flow of traffic.
65, except through urban areas, where it's even lower.
The speed limit in North Dakota depends on the type of road you are traveling on. It is 55 mph if you are on a gravel or dirt road, paved two lane county road and township highways if there is not a speed limit sign posted.It is 65 mph on a two lane highway if the posted sign says 65. It is 70 mph on paved four-lane divided highways. It is 75 if you are on Interstate 29 or interstate 94.
The maximum speed limit in Florida is 55 mph, except where otherwise posted. Speed limits are 70 mph on some rural interstate highways.
The maximum speed limit on the highway in Florida is 65 mph unless otherwise posted. Speed limits are 70 mph on some rural interstate highways. Never assume that just because the area appears to be rural, the limit is 70 mph. Speed limits may change on other multi-lane highways.