It takes a lot to twist a heavy truck’s frame like that. Apparently the driver failed to notice that his dump bed was still up, and started driving. It caught a powerline and twisted the truck.
HOW DO YOU FAIL TO NOTICE A GIANT HEAVY MONSTER RISING 30 FEET UP IN THE FUCKING AIR FROM THE BACK OF YOUR OWN FUCKING TRUCK?
Modern vehicles have sensors and warning lights and interlocks for everything imaginable and a thousand unimaginable things. Maybe they could spare a buzzer and an interlock for a situation that could take down a bridge or a house, and take out power for part of a city while destroying your own truck.
Polistra's Mill 