Carson City NV, Pierre SD, Juneau AK, ST Joseph MO and Dover DL. That is 5, all others have an interstate highway.
interstate
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.
ones the interstate and ones the state Interstate is used to connect states and State highways are used to connect citys in the state
Interstate 40.
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.
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.
Yes
Interstate Highway 93, Interstate 95 and Interstate 89.
California
California
Yes
California