100% unless you want to go offroad
Seven percent as of 2004
1 percent
According to the OECD 95,752km
Yes, it is true that 94 percent of the United States are paved with asphalt.
Paved Roads
Chad has the fewest paved roads in Sahel.
3,323 miles of paved roads
Texas has the most miles of paved roads, i believe it's somewhere around 250,000 miles of paved roads
Public roads, no.
Luxembourg is a well developed country, so it basiclly has paved roads everywhere. I'd say 99,99% of Luxembourg's streets have paved roads.
According to the World Bank, 81.62% of all roads in China are paved.According to the most recent (2005) data available, 82.5% of the roads and highways in China are paved. See Sources and related links for more information.
Their is about 148 987 Km of paved roads in Ontario