The standardization uses even and odd numbering.
Even numbered interstates go East-West.
Examples: I-76, I-80
Odd numbered interstates go North-South.
Examples: 1-71, I-79
I-74
A network of roads for the purpose of traveling long distances at an above average speed.
i-74
Pretty crappy in Louisiana.
One effect of the Interstate Highway System is increased connectivity and accessibility between cities and regions, leading to improved economic growth and development. It has also influenced patterns of population growth and distribution, as well as changing transportation and travel behaviors in the United States.
A tourist who travels between states.
Centrifugal force .
Interstate 15.
That depends on the speed at which one is traveling.
If you are traveling east there is no way Texas can be in front of you and NY behind you.
people traveling state to state for example SA to WA (not out of country)
2905 Kilometers. Traveling via Interstate 94.