baja (Aug 18, 2020), clydeman (Aug 22, 2020), Dragonhand (Aug 17, 2020), jimfols (Aug 17, 2020), Scotty12 (Aug 17, 2020)
...meanwhile in MN, Feb 2020:
"A Guide to Successfully Convert Severely Distressed Paved Roads to Engineered Unpaved Roads — Final Report"
In which the researchers from Montana State and U of California Davis (sic!),
totally unbiased and absolutely unrelated to the DOT's task directives amazingly found:
PS: Title really says it all - doesn't it?
"Severely Distressed Paved Roads" vs "Engineered Unpaved Roads",
entirely non-judgemental and consequence-neutral language - right?
Last edited by DIYSwede; Aug 17, 2020 at 12:24 AM. Reason: Added PS
They do this a lot in SD, MN and ND on all of the 2 lane rural asphalt roads. I hate it when it happens, as all those loose rocks get kicked up and chip windshields. However, it does do a good job of improving the road. The rocks are packed into the fresh hot oil, and they let traffic run on it for a bit to help with the packing. Later they come with a sweeper, and remove the excess rock.
After some time of traffic on it, the surface becomes smooth and nice again, but it takes many months. Riding motorcycle on this crap is like riding on poor gravel.
But, when you consider the cost of new asphalt vs this method, and miles and miles of country roads with minimal traffic and mostly farm trucks, it makes a lot of sense.
You can always tell when this is going to happen, as they'll come through and glue down these little markers that stick up for the center lane markings. That way you have some idea where the center is after it's been done.
Speed limits also go down to about 45mph until the loose stuff has been removed and the rest of it has been packed down.
It also gets done to asphalt driveways and parking lots.
And no, the truck is not attached to the spreader... usually just pushing against a bumper on the spreader... those guys are just very good at driving in reverse! Once the dump truck is empty, it pulls away, and the next truck backs in to continue.
Good times in the Midwest! This just got done a road 3 miles from me.
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