"John Mireley" wrote in message
...
Morgans wrote:


that was an option here in the US. Someone once told me that
interstates
intentionally had straight sections suitable for a runway at fairly

regular

intervals by design.



Yes, every 10 miles is to have a straight mile, with no overpasses or
overhead wires.
--
Jim in NC



If that is the case, is there a reference somewhere that points
these out?


Here's a reference that contradicts the statement.

http://www.snopes.com/autos/law/airstrip.asp