Alaska does not have an interstate highway as an interstate highway requires 4 lane divided road connected at the very minimum state. Alaska is separated from the 48 other states. Thus can not have an interstate highway. Alaska has state highways and it has national scenic routes but are not able to have an interstate highway.
interstate
Texas is the state with the most interstate freeway miles. The state with the most interstate traffic congestion is California.
Texas is the state with the most interstate freeway miles. The state with the most interstate traffic congestion is California.
Three Interstate Highways transect Washington State. These include Interstate 82, Interstate 90, and Interstate 5. Interstate 90 crosses the entire state at a length of 297.52 miles.
Texas has the longest interstate in the United States, Interstate 10, stretching approximately 881.20 miles across the state.
Alaska is the only state without any formal Interstate roads.
Interstate 40.
Interstate Highway 93, Interstate 95 and Interstate 89.
Signage is the only reliable way to tell. State highways will have a state highway sign (what that looks like varies from state to state), while interstate highways will have the blue and red interstate shield.
Ohio
Utah and Missouri. Actually, there are 5 Interstate highways in Utah and 17 in Missouri. The only state without any Interstate highways is Alaska.
The major highways in the state of Iowa are Interstate 35 and Interstate 29. They join the north and south part of the state. Interstate 80 and Interstate 380 join the east and west side of the state.