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The system includes 4% of the nation's roads, but carries more than 40% of all highway traffic, 75% of heavy truck traffic, and 90% of tourist traffic. [2] All urban areas with a population of over 50,000 and about 90% of America's population live within 5 miles (8.0 km) of the network, [2] which is the longest in the world. [9]
There are approximately 4,161,000 miles (6,696,000 km) of roads in the United States, 2,844,000 miles (4,577,000 km) paved and 1,317,000 miles (2,120,000 km) unpaved. [30] State highways are constructed by each state, but frequently maintained by county governments aided by funding from the state, where such counties exist as governing entities ...
The United States Numbered Highway System (often called U.S. Routes or U.S. Highways) is an integrated network of roads and highways numbered within a nationwide grid in the contiguous United States. As the designation and numbering of these highways were coordinated among the states, they are sometimes called Federal Highways, but the roadways ...
This is a list of countries (or regions) by total road network size, both paved and unpaved. Also included is additional data on the length of each country or region's controlled-access highway network (also known as a motorway, expressway, freeway, etc.), designed for high vehicular traffic. Unless otherwise noted, the data is from the United ...
About 2,900 miles (4,700 km) of toll roads are included in the Interstate Highway System. [78] While federal legislation initially banned the collection of tolls on Interstates, many of the toll roads on the system were either completed or under construction when the Interstate Highway System was established.
US 1. 2,369. 3,813. Fleming and Whitehead streets in Key West, FL. Route 161 at Canadian border in Fort Kent, ME. 01926-01-01. 1926. current. Follows the East Coast of the United States, longest north-south US Highway.
List of Interstate Highways. There are 70 primary Interstate Highways in the Interstate Highway System, a network of freeways in the United States. These primary highways are assigned one- or two-digit route numbers, whereas their associated auxiliary Interstate Highways receive three-digit route numbers. Typically, odd-numbered Interstates run ...
U.S. Route 66 or U.S. Highway 66 (US 66 or Route 66) was one of the original highways in the United States Numbered Highway System. It was established on November 11, 1926, with road signs erected the following year. [3] The highway, which became one of the most famous roads in the United States, ran from Chicago, Illinois, through Missouri ...