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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 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]
As of 2022, about one quarter of all vehicle miles driven in the country used the Interstate Highway System, [6] which has a total length of 48,890 miles (78,680 km). [2] In 2022 and 2023, the number of fatalities on the Interstate Highway System amounted to more than 5,000 people annually, with nearly 5,600 fatalities in 2022.
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 ...
Road America is one of only a handful of road circuits in the world maintaining its original configuration [4] being 4.048 miles (6.515 km) in length with 14 turns. The track features many elevation changes, along with a long front stretch where speeds approaching 200 mph (320 km/h) may be reached.
16.1. Brighton Boulevard in Denver. Chambers Road in Aurora. $1.50~$4.50 [33] All-electronic toll; allows ExpressToll and license plate toll; HOV-3+ must have an ExpressToll transponder which they can slide to the HOV indicator to ride free; motorcycles and RTD buses are toll-free [34] US 36 (Express Lanes) 16.0.
List of Interstate Highways. There are 71 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 ...
The road is 5.88 miles (9.46 km) long, starting at the U.S. Route 9 (US 9) and New York State Route 9N (NY 9N) concurrency and ending at the peak of Prospect Mountain. Although the road is designated as New York State Route 917A , an unsigned reference route , by the New York State Department of Transportation , all maintenance on the roadway ...