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Posts Tagged ‘asphalt’

5 More Things You Didn’t Know About America’s Roads

February 10th, 2010 0 Comments

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Last week we put up a post titled 5 Things You Didn’t Know About America’s Roads, and this week we’re back with 5 more things. Do you know of any other random or obscure facts about America’s roads?

1. Texas has the most Interstate miles, with 3,233.45 of them among 17 routes.

2. There is a rhyme and reason to Interstate and national highway numbers: East-west routes have even numbers and north-south routes have odd numbers. The Interstates were numbered higher for the northern routes and get smaller on southern routes; and north-south routes have larger numbers in the east and grow smaller in the west – such as I-95 on the east coast and I-5 on the west coast.

3. Concrete road surfaces generally last longer that asphalt, but they typically generate more road noise. Because asphalt is produced with petroleum, more road builders are finding ways to make concrete surfaces quieter so that they can use it more. Read More