The situation:

The truck driver should have been paying attention, but he didn’t. The bridge was old, and the clearance not all that great. Half way through the underpass,he was stuck. Going forward, even in low gear did not work. Neither did trying reverse.

The job looked like a complex one with a lot of welding equipment in order to remove the top of the cab. A long backup was already starting. The driver was on his phone explaining what had happened, when a motorist in the lane behind get the truck unstuck. How did he do it?

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