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C. Crews TownsendAutomated ticketing vendor American Traffic Solutions (ATS) filed suit Tuesday against Knoxville, Tennessee for its failure to issue tickets for turning right on a red light — and that is costing the company a lot of money. A state law took effect in July banning the controversial turning tickets, but the Arizona-based firm contends the law should not apply to their legal agreement with the city, which anticipated the bulk of the money to come from this type of tickets.

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ATS asked the Chancery Court for Knox County to declare the right turn law unconstitutional because it discriminates against traffic camera companies.