I've seen tires break in front of me. Last week I had to head for the ditch as a piece of rubber i'm pretty sure was larger then me flew at me. The transport behind me followed me to the shoulder. I was directly behind the transport but far enough back I had time to react, and get around the flying obstacle.
As for the poster who claimed that 'driving isn't safe anyways': The odds of me dying on the highway in my lifetime is 1:5000. I have a better chance of dying on the road, then dying due to the top five killer dieses including various cancers, heart diesease, and a few others. I'll do anything reasonable to increase those odds in my favor, like maintaining my vehicles safety systems, and driving in the safest manor i can.
And you should too. Every year, people die on the highways for no better reason then that they thought it would never happen to them.
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