Sunday, June 27, 2010

The Black Baron's Random Fact of the Unspecified Time Period - #32

The Eisenhower interstate system requires that 1 mile in every 5 must be straight.

These straight sections are usable as airstrips in emergency situations.


  1. :Ahem:

    Could have sworn I posted a comment here.

    Anyway, so did they follow through?

  2. Ok, in a case of "did not do the research" it turns out I was mistaken.

    According to the U.S. Dept. of Transportation's Federal Highway Administration, this in an urban legend that has become so widespread it's impossible to dispel: