answersLogoWhite

0

Beginning in 1956. The original portion took about 35 years to complete.

User Avatar

Wiki User

12y ago

What else can I help you with?

Related Questions

What percent of the national system of interstate and defense highways does the federal government fund?

The Federal Government funded 90% of the National System of Interstate Defense Highways.


What are Washingtons two main interstate highways?

Auxiliary Interstate Highways and Primary Interstate Highways


What is responsible for monitoring and maintaining interstate highways?

Individual state highway departments. The Federal government provides most of the funding for Interstate & US Highways though.


Why did Shi Huangdi build highways and set government standards?

To unify China.


Which state has no interstate highways?

Utah and Missouri. Actually, there are 5 Interstate highways in Utah and 17 in Missouri. The only state without any Interstate highways is Alaska.


What are the major highways of California?

The major highways are highway 50 highway 99 and highway 101 As well as Interstate 5, Interstate 40, Interstate 15, Interstate 8, and Interstate 80.


What are the differences between highways and national roads?

The two types of road are national highways and state highways. National highways go anywhere and are owned and maintained by the government of the country (such as the Interstate in the USA). State highways are roads contained within a single state. The state government is responsible for maintenance of these roads.


What kind of highways system was built in the 1950s?

Interstate highways


Interstate highways are identified on signs with what kind of shape?

Interstate highways are identified on signs with a shield-shaped design. This distinctive shield shape makes it easy for drivers to recognize and navigate interstate highways across the United States.


What are Washington's major highways?

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.


What are New Hampshire's major highways?

Interstate Highways 95 and 295 and US Highway 1.


What are the two interstate highways that run mostly in a east and west?

I-90 and I-94 are east-west interstate highways in Montana.