From having attended the street planning meeting I knew this would be the result of the city's decision to 'straighten the street'. They had to remove the 15 inches of driveway that will become the edge of the new street.
Once that was done the grinder showed up. This machine basically slices several inches of hard or soft surface, grinds it up, and places it onto a long conveyor belt that dumps into a trunk to be hauled away.
Here's a wider view of the grinder shooting into the bed of the dump truck.
It is definitely encouraging to finally see some progress, which feels like a small light has been found at the end of a very long and dark tunnel.