[@gerardomarina]

@gerardomarina asked the Naked Scientists:
   
How many times would our roads circle the Earth's circumference?

What do you think?

[Jolly- Joliver]

@gerardomarina asked the Naked Scientists:
   
How many times would our roads circle the Earth's circumference?

What do you think?

If you took both directional lanes as two different roads, every country probably has enought road to go arround the circumference once.

Earth's Circumference at the Equator: 24,901.55 miles (40,075.16 km)

http://geography.about.com/od/learnabouttheearth/a/earthfacts.htm

http://www.michigan.gov/mdot/0,1607,7-151-9620_11154-129683--,00.html

Michigan has a total of 120,256 miles of paved roadway (9,716 miles of state trunkline, 89,755 miles of county roads, and 20,785 miles of city and village streets).

24,901 miles earth circumference

Paved road way just of michigan 120,256 miles if thats not counting directional lanes as seperate 240,512 miles.

So potencially Just Michigan roads, well, 240,512 / 24,901 = 9.6587 Times

Basically ten times around the earth, just one state in America.

I like this quote on pavenment:

There is enough pavement in Michigan roadways to build a one-lane road from the Earth to the moon.

So how many times arround the earth would all the road achieve, it's hard to say.