I was waaay off of him, and was quite perplexed as to why he chose his action.
Of course, the Semi behind me was less perplexed, and vastly more perturbed by the display.
I did smile and wave as I calmly changed lanes and passed the guy.
I had several car lengths to go before I had to worry much about hitting him.
Impala: Built for last.
I'm still trying to figure out how to install the turn signals.