Traffic Lights
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Originally Posted by V6 EDC
My mate does it and reckon it works, it don`t tho. Do they work the same as temporary lights?
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Originally Posted by rs_turbo_ant
i do it and it works 4 me its the little box on top of the lights only works at night and if no one is on the other set of lights
thats just chance that they change- i work on traffic lights everyday and know exactly how they work and flashing lights 100% DOSENT
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Originally Posted by RS LOZWORTH
Im a traffic signal engineer and they either have loops in the road to detect vehicles or microwave detectors on top of the heads that detect vehicle moving towards them- these are used on temp lights
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Originally Posted by dazoriginal
you should ave waited for lots of replys then waded in with that
lol i just thought that
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Originally Posted by C4llyT
Originally Posted by RS LOZWORTH
Im a traffic signal engineer and they either have loops in the road to detect vehicles or microwave detectors on top of the heads that detect vehicle moving towards them- these are used on temp lights
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when there is no traffic at night the lights auto go back to red as part of the config most of the time, in theory they should change back to green when you get there unless you are SPEEDING
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Originally Posted by RS LOZWORTH
when there is no traffic at night the lights auto go back to red as part of the config most of the time, in theory they should change back to green when you get there unless you are SPEEDING
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The timing of it suggests there are sensors in the road then, as if sensed your lights would go to red when detects them, which would be crap
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Originally Posted by C4llyT
Originally Posted by RS LOZWORTH
when there is no traffic at night the lights auto go back to red as part of the config most of the time, in theory they should change back to green when you get there unless you are SPEEDING
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The timing of it suggests there are sensors in the road then, as if sensed your lights would go to red when detects them, which would be crap
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Originally Posted by StephenC
what does it mean when the little red light comes on the grey control boxes at the side of the road then?
if its on steady it means that there is a detector fault if it flashes it means a red lamp has failed
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Originally Posted by RS LOZWORTH
Originally Posted by StephenC
what does it mean when the little red light comes on the grey control boxes at the side of the road then?
if its on steady it means that there is a detector fault if it flashes it means a red lamp has failed
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#17
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I have a traffic light question.Some have cameras on top pointing at the traffic to catch red light jumpers,but some by me have cameras pointing down to the crossing which would only catch pedestrians.
WHY??????
WHY??????
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Originally Posted by mercury grey minter
I have a traffic light question.Some have cameras on top pointing at the traffic to catch red light jumpers,but some by me have cameras pointing down to the crossing which would only catch pedestrians.
WHY??????
WHY??????
http://en.wikipedia.org/wiki/Puffin_crossing
Traffic light cameras are on a separate pole from the lights.
.
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Most traffic lights have those box sensors on the top of them. Got a set locally and I always flash them (normally at night) about 100 yards away and they change to green.
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Originally Posted by gkandr4ch
Most traffic lights have those box sensors on the top of them. Got a set locally and I always flash them (normally at night) about 100 yards away and they change to green.
.
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I must admit im guilty of this too.
Although i knew years ago that flashin doesnt do anything, i still do it out of habit at night if nothings about.
RS LOZWORTH, anyway if your a traffic light engineer mate, is there any chance you can come round this way and sort the timing out on 90% of the traffic lights cos there proper crap!
In fact sort londons centre out too mate cos there just as bad ![Surprised](https://passionford.com/forum/images/smilies/bigcry.gif)
Seriously though, whoever thinks up some of these sequences need shooting!
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RS LOZWORTH, anyway if your a traffic light engineer mate, is there any chance you can come round this way and sort the timing out on 90% of the traffic lights cos there proper crap!
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Seriously though, whoever thinks up some of these sequences need shooting!
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#25
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RS LOZWORTH is 100% totally correct.
The lights are working EXACTLY AS HE SAYS.
The sensors are not CAPABLE OF SEEING LIGHT, they are MICROWAVE SENSORS on temp lights, they are tested with aboard run down a string towards them and they must react at the correct distance.
They do indeed go ALL RED, when they have detected no motion for a set period of time, then when motionis detected by MICROWAVE not LIGHT they run the CLEAR TIME first then go down to green on the appropriate side with the camera that has detected.
This is why some refuse to budge when a camera goes wrong on end will stay green whilst the other stays red.
Normal or permanent lights operate as he says, with induction loops BURIED IN THE ROAD about 10-20 feet before a junction, have a look easily sptted as they are odd angle lines covered over with smooth tar when installed.
Temp lights, roadworks etc, can have thier timings individually adjusted to suit each road for green time, clear time(all red) and red time.
There is a host of legal criteria for setting out temp lights, a lot not adhered to.
If ANY light in the world were activated by light, what di you think would happen in daylight as the sun is a little bit brighter than the average car headlight.
tabetha
ps good explanation by RS LOZWORTH
The lights are working EXACTLY AS HE SAYS.
The sensors are not CAPABLE OF SEEING LIGHT, they are MICROWAVE SENSORS on temp lights, they are tested with aboard run down a string towards them and they must react at the correct distance.
They do indeed go ALL RED, when they have detected no motion for a set period of time, then when motionis detected by MICROWAVE not LIGHT they run the CLEAR TIME first then go down to green on the appropriate side with the camera that has detected.
This is why some refuse to budge when a camera goes wrong on end will stay green whilst the other stays red.
Normal or permanent lights operate as he says, with induction loops BURIED IN THE ROAD about 10-20 feet before a junction, have a look easily sptted as they are odd angle lines covered over with smooth tar when installed.
Temp lights, roadworks etc, can have thier timings individually adjusted to suit each road for green time, clear time(all red) and red time.
There is a host of legal criteria for setting out temp lights, a lot not adhered to.
If ANY light in the world were activated by light, what di you think would happen in daylight as the sun is a little bit brighter than the average car headlight.
tabetha
ps good explanation by RS LOZWORTH
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Originally Posted by tabetha
RS LOZWORTH is 100% totally correct.
The lights are working EXACTLY AS HE SAYS.
The sensors are not CAPABLE OF SEEING LIGHT, they are MICROWAVE SENSORS on temp lights, they are tested with aboard run down a string towards them and they must react at the correct distance.
They do indeed go ALL RED, when they have detected no motion for a set period of time, then when motionis detected by MICROWAVE not LIGHT they run the CLEAR TIME first then go down to green on the appropriate side with the camera that has detected.
This is why some refuse to budge when a camera goes wrong on end will stay green whilst the other stays red.
Normal or permanent lights operate as he says, with induction loops BURIED IN THE ROAD about 10-20 feet before a junction, have a look easily sptted as they are odd angle lines covered over with smooth tar when installed.
Temp lights, roadworks etc, can have thier timings individually adjusted to suit each road for green time, clear time(all red) and red time.
There is a host of legal criteria for setting out temp lights, a lot not adhered to.
If ANY light in the world were activated by light, what di you think would happen in daylight as the sun is a little bit brighter than the average car headlight.
tabetha
ps good explanation by RS LOZWORTH
![Top](https://passionford.com/forum/images/smilies/smile011.gif)
The lights are working EXACTLY AS HE SAYS.
The sensors are not CAPABLE OF SEEING LIGHT, they are MICROWAVE SENSORS on temp lights, they are tested with aboard run down a string towards them and they must react at the correct distance.
They do indeed go ALL RED, when they have detected no motion for a set period of time, then when motionis detected by MICROWAVE not LIGHT they run the CLEAR TIME first then go down to green on the appropriate side with the camera that has detected.
This is why some refuse to budge when a camera goes wrong on end will stay green whilst the other stays red.
Normal or permanent lights operate as he says, with induction loops BURIED IN THE ROAD about 10-20 feet before a junction, have a look easily sptted as they are odd angle lines covered over with smooth tar when installed.
Temp lights, roadworks etc, can have thier timings individually adjusted to suit each road for green time, clear time(all red) and red time.
There is a host of legal criteria for setting out temp lights, a lot not adhered to.
If ANY light in the world were activated by light, what di you think would happen in daylight as the sun is a little bit brighter than the average car headlight.
tabetha
ps good explanation by RS LOZWORTH
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Thanks
Tabetha- how do you know all this ?!?!
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Originally Posted by m4dyeti
well i still enjoy flashing and thinking it changes for me
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lol you keep doing it, but if the police c u it 3pts and a nice fine! DOH!
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#29
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Originally Posted by RS LOZWORTH
Originally Posted by m4dyeti
well i still enjoy flashing and thinking it changes for me
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lol you keep doing it, but if the police c u it 3pts and a nice fine! DOH!
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Originally Posted by cossiegreg1
Originally Posted by RS LOZWORTH
Originally Posted by m4dyeti
well i still enjoy flashing and thinking it changes for me
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lol you keep doing it, but if the police c u it 3pts and a nice fine! DOH!
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Originally Posted by S1rst
It wont be illegal though surely. If people choose to take it as a giving way flash without being sure its clear, then thats their fault.
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#34
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tbh i know everyone over here flashes to say they are letting theother person go but every other country does it to say they are coming its thier right off way.
as for the lights.the set near my work are shit.i have to turn right but sometimes i can be sat there while it lets every other coont go 2 or 3 times before its my turn
as for the lights.the set near my work are shit.i have to turn right but sometimes i can be sat there while it lets every other coont go 2 or 3 times before its my turn
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#35
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Originally Posted by rs_turbo_ant
i do it and it works 4 me its the little box on top of the lights only works at night and if no one is on the other set of lights
I work as a lighting and signing engineer in Hertfordshire and the signals engineers work in the same office. I can 100% assure flashing your lights does nothing
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I work with temporary traffic lights nearly every day and it amaze's me how many people actually think that flashing your lights will make them change!!!
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i install traffic lights have done for a few years now and flashing at them dose not make them change lol
RS LOZWORTH who do you work for mate?
pm me if you want
RS LOZWORTH who do you work for mate?
pm me if you want
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