The first Formula One practice of the Las Vegas Grand Prix was halted less than 21 minutes into Thursday night’s session after Carlos Sainz Jr. ran over a manhole cover on track.

It also allows that manhole cover actually sits itself back down if something were ever to be launched and it would sit still on the frame and allow for those gases to be exhausted,” Hesse said ...

We once asked Mark Schlemmer, a city DPW senior engineer, about the manhole covers. The covers are originally set just below the blacktop so snow plows won’t catch them and damage the plow, the ...

FIA: "Following inspection, it was the concrete frame around a manhole cover that has failed. We now need to check all of the other manhole covers which will take some time - we will be discussing ...

Neenah Foundry produces nearly 750,000 manhole frames and covers per year. Placed side by side, that's 355 miles of manholes — about the distance from Superior to Beloit.

The city of Chicago Department of Water Management, which wrangles the city’s manhole covers, estimates there are about 148,000 sewer covers on Chicago streets, plus another 205,000 catch basins.