this post was submitted on 01 Mar 2025
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A new study found adaptive traffic signals powered by big data reduced peak-hour travel times by 11% in China’s 100 most congested cities – saving 31.73 million tonnes of CO₂ annually. (www.nature.com)
submitted 3 days ago by [email protected] to c/technology
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cross-posted from: https://lemmit.online/post/5292633

This is an automated archive made by the Lemmit Bot.

The original was posted on /r/science by /u/calliope_kekule on 2025-03-01 05:53:17+00:00.

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[–] [email protected] 1 points 2 days ago* (last edited 2 days ago)

Look for a square or an X (or a square with an X in it) right Infront of the stop line for the lights. If it's there, that detects a car waiting.

There may be more of them further up the road to detect more cars waiting/arriving.

They are basically using big loops of wire to detect cars through magmatism.

They tend not to detect cyclists, so I often have to move to the side and wave cars forward so lights on side streets will change.