Penn DOT thinks we truckers aren't dummys.

[Apostolic]

Skills Necessary to Properly Control a Tractor-Trailer Truck | Best Syndication

I used to kid everybody that knew me when I first started my trucking carrer.
I always would joke saying any dummy can be a trucker what do you need to know?
Just shift the gears hold the wheel and aim it.

Those days of being a dummy are long gone.
Now its better if you know a thing or two about this potentially dangerous career.