this post was submitted on 26 Sep 2024
113 points (95.2% liked)
Wikipedia
1533 readers
103 users here now
A place to share interesting articles from Wikipedia.
Rules:
- Only links to Wikipedia permitted
- Please stick to the format "Article Title (other descriptive text/editorialization)"
Recommended:
- If possible, when submitting please delete the "m." from "en.m.wikipedia.org". This will ensure people clicking from desktop will get the full Wikipedia website.
- Interested users can find add-ons and scripts which do this automatically.
founded 1 year ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
view the rest of the comments
Yes they can!
There are many different ways it's done but one I find the coolest is a signaling light hooked into the siren of an emergency vehicle. Traffic lights can look for this signal from vehicles and, upon seeing it, heavily prioritize letting the lane it's in have a green.