On compte 2,6 millions de milles de chaussée revêtue aux États-Unis, ce qui n'a rien d'étonnant si l'on pense au nombre de routes qui existent. De plus, il y a 2,7 millions de milles de pipelines et 19 millions de milles d'infrastructures au total.
There are 2.6 million miles of paved roads in the U.S. When you think of how many roads there are and of 2.6 million, there are 2.7 million miles of pipeline, and then there are 19 million miles of total infrastructure, it's a major undertaking to keep all of that safe.
