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The Ingenious Way Traffic Lights Worked Before Computers Were Invented

Today's traffic lights can be controlled by anything from standard traffic control computers to highly advanced AI-driven computer systems that are so "smart" they can predict what's going to happen ...
MLive

How does Ann Arbor’s new bus-priority traffic signal work? Here’s a closer look at it

ANN ARBOR, MI — Ann Arbor’s first dedicated bus lane with a transit-priority traffic signal has been in operation two months, giving northbound buses going straight or turning left an edge over other ...
Main Line

Radnor begins work on traffic signal improvements to Lancaster Avenue

RADNOR — Radnor Township officials hope new traffic signal technology will help improve commutes along Lancaster Avenue through Villanova. In July, the township commissioners awarded a $1.68 million ...
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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 ...