Quote:
Originally Posted by Mark Henry
On secondary roads here they use tar and chip. About every 5 years they lay down a new layer.
Only bad is steep hills wash out and hard turn areas wear quicker, so they use regular pavement in those spots.
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They do that here in Washington as well. What I will never understand is why it takes so long between laying down the chip and applying the tar. Sometimes months. In the meantime, the once smooth chip surface turns to ruts, washboard, and shallow potholes. Then they seal it.