too many rear end accidents down here, i like this better, and DOT doesnt give a crap about vans down here so we're good!
That's a great question, and one I've asked myself too. When I researched it a while back I couldn't find the history behind them. Maybe newer search engines would help......cut......
I know, "rules is rules".. just wondering what these particular lights accomplish.
.....cut.....
Ed