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A very strange phenomenon I found while driving through beautiful West Tennessee is that all the roads are reddish-brown, whereas the roads are grey in the rest of the state. What's the deal with that?

A very strange phenomenon I found while driving through beautiful West Tennessee is that all the roads are reddish-brown, whereas the roads are grey in the rest of the state. What's the deal with that?

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[–] • 3 pts

They probably use local stone, and there's a ton of red stone and iron rich stone out west.

[–] • 0 pt

Huh, I always thought there was some federal code that required all highways to use asphalt.