[AT] OT LeTourneau

[James Peck]

I still see expensive human flaggers regulating traffic on road construction and repair projects.

Gateman Flagger  A pneumatic powered automated flagger

 Frank DeWitt product Design business owner

LeTourneau was an amazing man with an amazing story.  There are two biographies about him.  Here is a good first one. Mover of Men and Mountains.
https://www.amazon.com/dp/B00IMS0U16/ref=dp-kindle-redirect?_encoding=UTF8&btkr=1

Frank DeWitt
http://Lbpinc.com