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In a message dated 5/16/2002 11:37:12 PM Central Daylight Time, dfs155@earthlink.net writes:
Interstate Highway system was
mandated, the rule was that in each ten mile stretch, there had to be at
least one straight mile of highway (where possible).
Dan, thanks - I didn't know that. Another benefit is that these roads cross ridge lines in valleys - a way to stay a little lower in VMC.
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