|Japan has 378,000 km2 of land, about 70% of which is more or less mountainous.
More than 120 million people live in a country with one of the highe stpopulation densities in the world.More than 78 million vehicles run on the Japan's roads.
|Road Category|| Length
| Paved Ratio
(% of length)
|(at the end of March 2009)|