United States of America has largest and most advance road network in the world having a distance of 6,506,204 km covered by roads.
CHEKI CHATI YA NCHI ZENYE BARABARA NDEFU ZAIDI DUNIANI.
Rank Country Roads in km
1. USA 6,506,204
2. China 4,193,000
3. India 4,020,000
4. Brazil 1,751,868
5. Japan 1,210,251
6. Canada 1,042,300
7. Russia 982,000
8. France 951,200
9. Austria 823,217
10. Spain 681,298