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Let's talk traffic lights - no really!

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Stevepd:
So on my daily commute they've just installed a set of cross road traffic lights which allows 2 B roads now join the main A road. Nearly every morning in the 40 zone approaching the lights they will go to red, then for all of 2 seconds the go back to green. Can somebody shed some light on this........

shail:
If they are new they may well be adjusted by the councils highway dept once they get a real idea of what traffic flow is like. 

Maybe worth an email to them asking them to look at it.

dansmith180:
They have some traffic lights on the slough and Langley junctions of the M4, they're only in use when there's traffic (mostly rush hour) and as you said they only turn green for about 5-10 seconds tops. Its really f*cking annoying but I think its to make merging onto the road easier instead of having a sudden rush of cars or traffic jam in the slip road.

john87:

--- Quote from: Stevepd on August 15, 2015, 04:27:51 pm ---So on my daily commute they've just installed a set of cross road traffic lights which allows 2 B roads now join the main A road. Nearly every morning in the 40 zone approaching the lights they will go to red, then for all of 2 seconds the go back to green. Can somebody shed some light on this........

--- End quote ---

There's a set in a town near me that do this.. they seem to do it when you approach the lights when a car is sitting at a red light at the perpendicular junction. My guess is that it's looking at input from the traffic sensors on top of the lights, and has worked out that the other has been waiting less than the maximum permitted 'red' time, so decides to let me through and changes back to green.

They're a lot less annoying than the 4-way junction where I live, which seems to turn the set you're approaching to red, and the other three sets to green, when you're the only car on the f***ing road!  :fighting:  :fighting:  :fighting:

xjay1337:
There are some traffic lights in Newbury which do that. I swear they are put in just to slow traffic down, it's pretty annoying.
To reduce speed but just wastes fuel and pollution and annoys people.

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