Singing road?

Lisa of Spring Lake asked, “Do you know if they used something special to resurface Highway 31 between M-104 and the Sternberg area? Driving on this stretch of road all winter has been really good, compared to north of Sternberg. It seems that most of the time the road resisted snow sticking to it. Also, my tires ‘sing’ when I drive on it.”
Mark Brooky
Mar 12, 2014

ANSWER:

John Richard, spokesman for the Michigan Department of Transportation’s Grand Region, said that stretch of U.S. 31 was resurfaced this past fall, and the agency appreciates the good feedback.

“To my knowledge, we just had very good coverage on winter storm clearance,” he said.

The “singing” road results from a particular roller pattern that contractors sometimes use with asphalt, Richard added.

And I had thought my radio was picking up some particularly funky station in that area.

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Comments

16damons

The MAILBAG answer included the following comment "And I had thought my radio was picking up some particularly funky station in that area".

Well, 37+ years ago... as teenagers and CB (Citizen Band) radios were popular, we would often park under the drawbridge and because of what is known as "skip", we could talk to people as far away as Kentucky... on a mobile CB radio. Somehow, the bridge acted as a giant antenna. That was pretty cool back in the day. Also, just before the Van Wagoner overpass, electrical gauges in some vehicles would fluctuate for a few seconds or so. A phenomenon that has never been explained.

Wolverine49457

The pattern is a higher tech version of the "broom" finish, the pattern helps shed water and tends to improve traction all around from what I can tell...but it is noisey and on a bike the tires seem to "hunt" back and forth a bit but you get used to it.

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