In 2013, Swedish-born engineer Mats Järlström began researching Oregon's red-light camera system after his wife received a ticket, concluding that the yellow-light intervals were too short to account for safe turning. After presenting his findings, he was fined $500 for "practicing engineering without a license" but ultimately won a federal case in 2018 that struck down Oregon's restrictive title laws, allowing him to prove his timing calculations correct and advocate for safer light standards.
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