'I feel violated': Engineer who pointed out traffic signals flaw fined for 'unlicensed engineering'

'I feel violated': Engineer who pointed out traffic signals flaw fined for 'unlicensed engineering'

Interview Last year, Mats Järlström was fined $500 for revealing troubling flaws in the mathematical formula used to govern the timing of US traffic lights. Järlström, a Swedish electronics engineer who has lived in America for more than two decades, realized there was a design fault in traffic systems after his wife got a ticket from an automated traffic camera in Beaverton, Oregon.

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