Over 4,500 people are killed each year in the USA in road collisions that involve semi tractor-trailers and other large trucks, and the majority of those killed are in smaller vehicles which, for whatever reason, are simply too close to the truck concerned.
A good proportion of large trucks, especially semi tractor-trailers, display warning signs — here on the spray flaps — about the need for them to be driven “wide” on the approach to sharp turns at intersections, yet sadly a huge number of car drivers remain oblivious to the extreme danger that can result from ignoring these warnings. (Copyright image.)