70 mph - but some states do not allow that speed.
70 mph
55
70
69
70 mph - unless otherwise posted.
70 mph - unless otherwise posted.
70 mph - unless otherwise posted.
70
On highways that are not limited access roadways is may be legal, according to state law. However, it is NOT legal on interstate highways.
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The maximum speed limit in Florida is 55 mph, except where otherwise posted. Speed limits are 70 mph on some rural interstate highways.
Depends which state you're in. Texas has the highest Interstate speed limits, with some sections being allowed up to 80 MPH.
In the US, the maximum speed on an interstate highway is 70. Until recently, there were a couple of stretches of highway that were limitless.
The normal speed limit on the highway.