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 realitista@lemm.ee to c/technology@lemmy.world
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cross-posted from: https://lemmit.online/post/5292633

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

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[–] daq@lemmy.sdf.org 1 points 2 days ago

Sensors are cheap and have been around for a long time, but I'm going to guess the number one reason is the small part. Fewer cars = less traffic.

I've actually watched a city I visit regularly grow over about 20 years and it went from them having zero traffic to Los Angeles style traffic jams. This is despite their best efforts like making extra wide roads, using roundabouts, etc.