Officials in Lincoln County are working to determine the full environmental impact of a morning oil spill on Highway 78 in Hustonville.

When speed bumps are being installed, they are overlayed on existing asphalt and bonded to it with tack oil.” Stanley and his crew install between 15-20 speed bumps per season, depending on demand.

In my career I have operated, maintained, torn down, moved and re-set many asphalt plants. A guess would be in excess of two hundred plants, possibly closer to three hundred plants.

The tack-oil step is critical, according to the Asphalt Institute, an industry association. Next comes an emulsion of oil and fine stone, followed by the topping of dry stone, all applied by the ...

Then, asphalt is slowly dispensed from the back of an auger truck. Equipment operators Mike O'Kane and Erik Harrington grab shovelfuls, dumping it across the tack oil, which helps bond it to the ...

Tack oil was being spread on that stretch of road to help new asphalt better adhere to the old asphalt. But construction crews were driving their trucks over the tack oil for many blocks at a time ...

The operator can then spray on tack oil before pouring the asphalt mix. The work arm compresses the mound before moving on to the next hole.

Spencer Quarries had applied the tack coating on June 28 and then left it there, according to the lawsuit. On June 30, there was a light rain, making the road even more slippery.

A Flathead County road crew this week replaced the asphalt on the Whitefish Stage Road bridge over the Stillwater River after discovering a mistake had been made during roadwork earlier this summer.

Tanker truck crashes and spills asphalt tack on I-35W near northeast Minneapolis As of Tuesday morning, the highway is reopened. To stream KARE 11 on your phone, you need the KARE 11 app.