We all know what it is to come up on some road construction where they have one lane shut down for a stretch of distance, which means you have only one lane open for 2-way traffic to get through. And oftentimes, that open lane is ‘blind’ to you because it may curve or have dips and hills and you have no clear vision to the other end where traffic resumes to a normal two lane road. So a construction worker is assigned on both ends with a sign on a pole, with one side saying ‘STOP’, and the other side usually reads: ‘SLOW’. I kid you not, every time I see one of those people out there, with a lunch box and water bottle close by and usually a two-way radio in hand, I think to myself: “Gosh...how boring would that be to stand there all day long and flip that sign back and forth?” And yet...what an incredibly important job they have. Imagine coming up on such a scene in a mountain pass with sharp curves and steep drop offs where some of those passes might not even have guard rails; ...