Authorities on one hand and companies involved in the auto industry on the other struggled in the last decades to make traffic safer for those with eye problems, including color-blind people who can't ...
Morning Overview on MSN
White traffic lights tested worldwide as experts push for a 4th signal color
Traffic engineers are quietly working on a radical idea: adding a white signal to the familiar red, yellow, and green. Instead of signaling drivers directly, the extra light would tell humans when to ...
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