do have laws, albeit ones that are rarely enforced, that mandate the use of turn signals. According to a report from the Society of Automotive engineers, author Richard Ponziani stated “Nationwide, neglected or improper turn signals cause 2 million car accidents a year” (Vallet, 2012). In his article on MSN Money, Mark Vallet stated, “Improper and unsafe lane changes were the “fifth most common cause of accidents, and turning improperly was No. 7” (Vallet, 2012). Regardless of Arizona’s known and…
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