When we mix high-speed cars with stopping and turning traffic, it is only a matter of time until people get killed. That is an undeniably true statement that confronts every transportation professional who designs such environments. The inevitability of death and suffering cannot be explained away by blaming drivers for being human. Yet that is what we do. We wring our hands and wish people would drive more safely. We put our faith in better technology and more enforcement because that kind of faith provides us comfort. That kind of faith absolves us. That kind of faith bridges lament to
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