A physicist wouldn't be able to tell you the cause. But a geomorphologist
would--that's my area of study.
Basically it starts with water running across the road's surface making very
small gullies. This effect is magnified by more runoff as well as more and
more wear from cars/trucks.
There ya go,
Frank WJ
>
>Hey, do we have any Physicists on the list? I was wondering if anybody
>out there knows what causes "washboard" on dirt roads?
>
>Dak content: It wreaks havoc on my D2K's suspension and my jaw!
>=====
>Nate, Ogden UT
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