Timeline for Traffic lights: "yellow" is progress, not state
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
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| Sep 15, 2011 at 20:35 | comment | added | fluffy | @BaGi That was my first thought as well. The positions of the lights on the established traffic signals are VERY important cues for color-blind drivers. Another issue with the "sand glass" is that there's no distinction for the yellow that comes between red->green and green->red - and you don't always come up to a light when it's green. If you come across a light that is already yellow, how do you know if you can cross? | |
| Sep 15, 2011 at 13:20 | comment | added | Bart Gijssens | I am thinking now... What about color blind people... | |
| Sep 15, 2011 at 13:20 | comment | added | Bart Gijssens | @giraff: let's say the light is red. At that point it calculates how long it will stay on green, based on traffic and/or other traffic lights. Then it turns to green. The sand flows with a speed that is based on the calculation. You are right that as soon as it is on green it cannot update the calculation. Let's say a car gets stuck, the light cannot decide to go to red without changing the speed of flow, that is correct. | |
| Sep 15, 2011 at 13:09 | comment | added | giraff | This concept is interesting as well: yankodesign.com/2010/09/22/traffic-lights-gets-smarter | |
| Sep 15, 2011 at 13:06 | comment | added | giraff | Wow, I agree, great concept! But I don't see why dynamic implentation should be easier with this: the "sand" would need to flow faster as well, right? | |
| Sep 15, 2011 at 12:57 | history | answered | Bart Gijssens | CC BY-SA 3.0 |