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| Re: A a Vision Zero Town Hall Meeting (292421) | |||
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Re: A a Vision Zero Town Hall Meeting |
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Posted by RIPTA42HopeTunnel on Thu Apr 17 16:57:55 2014, in response to Re: A a Vision Zero Town Hall Meeting, posted by BrooklynBus on Thu Apr 17 14:52:13 2014. But the red time assumes that you are going at the speed limit. If you can only cross Woodhaven at 20 mph after having entered the intersection, the opposing light will turn green before you get all the way to the other side. Cars on the main street have to wait for the traffic to get out of the intersection before proceeding, cutting down on their green time. If the ambers were longer, fewer cars would enter the intersection because they would be able to stop and fewer woud get stuck on the red in the middle.If the speed limit were lowered to 20, then the red time would have to be adjusted so the light wouldn't change with cars in the intersection. The red time, by definition, is the time it takes a 20 foot long vehicle to enter the intersection at the last possible millisecond of yellow and make it to the other side before the opposing traffic gets a green. It will still cut down on the major street green time, but the light will be red instead of green for that additional second. The yellow time is calculated to be enough for an approaching vehicle traveling at the design speed to stop, so all lengthening the yellow would do would be to say you're increasing the design speed. Plus, drivers would see a longer yellow and be more likely to accelerate to get through the intersection before it turns red. |
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