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about 10,000- 12,000 miles
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There are approximately 79,660 miles of paved roads in North Carolina.
4300 kilometers or 2671.90 miles.
On July 4th, 1909 the nation's first paved mile of concrete was of Woodward Avenue between 6 Mile and 7 Mile road at a cost of $13,354.
233,806 kilometers, or 145,311 miles of unpaved roads (2008).
It is unknown who came up with the idea to pave roads with concrete. The first concrete paved road was built in 1909 and was Woodward Avenue in Detroit, Michigan.
China has over 3.8 million miles of paved roads and highways, making it one of the most extensive road networks in the world.
On a paved road.
The Romans network of roads throughout their empire totalled the 400,000 kilometres (250,000 miles). The famous stone-paved roads constituted 20% (80,500km, 50,313 miles) of the network. Besides the via munita (stone-paved road) there was the via glareata which was an earthed road with a gravelled surface and the via terrena which was a rural road of levelled earth.
Not many
Woodward Avenue may have been the first road paved with CONCRETE in the US. That occurred in 1909. The earliest paved roads in the US date at least to the 1820s. Most US cities had paved roads by the 1880s and 90s. The oldest KNOWN paved road is a 7 1/2 mile route in Egypt, not far from Cairo. It was built 4,600 years ago. The 2nd oldest is in Ur, in Iraq, at least 4,000 years old.