The average speed from New York to Washington DC is 43MPH which hasn't change in the last 25 years. That should give you a idea of the Interstate avg speeds. One must account for traffic, road condition, normal congestion in high traveled areas. If you mean the average speed limit, it's probably 65 MPH. In 1995 Congress repealed the national speed limit of 55 and it is now up to states again to determine the limits. About 30 states have limits of 70 MPH or higher. A few Western states have no speed limits on certain stretches of highway.
The speed limit in the fast lane is the same as the speed limit for the road or highway you are driving on.
The speed limit in the fast lane is the same as the speed limit for the rest of the road, which varies depending on the location. It is important to always follow the posted speed limit to drive legally and safely.
fast.
2600 RPM is around 70 MPH. The usual speed limit on most US roadways is 55 MPH or even less. 2600 RPM is actually fast compared to the US speed limits.
The average speed of any car should be the posted speed limit.
The speed limit in the fast lane on the highway is typically the same as the rest of the lanes, which is usually around 65-75 miles per hour. It is important to always follow the posted speed limit to avoid breaking the law and risking a ticket.
A speed not fast enough to produce a noticeable wake.
The speed limit doesn't change, but you are expected to make a reasonable adjustment to your speed to compensate for the conditions. So basically, as fast as you can go at or below the speed limit without getting into a wreck.
They go the speed limit
The speed limit in any of the states!
As fast as other cars get out of the way
the speed limit is 400mph