Steeles Royal

traffic light change

S

stang

Banned
Oct 24, 2002
4,946
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S ontario
stang said:
Too freakin' cold for me to go out. Anyone care to try this and report back?
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I'd say the chance of that working everywhere would be slim to none. All that would be is a backdoor code written into the traffic box programming and every municipality or even city would have their own set of codes if they even wasted the time programming such nonsense at all. Most intersections I know of have a turnover time of 30-60 seconds and those that require a car to activate the magnetic sensors in the road usually have the crosswalks button change the light instantly as well.

The more interesting secret would be that in some places if you flicker your headlights at an approaching intersection that it will turn green. Why? Emergency vehicles have strobes on their tops that trigger photo-sensors to allow them easier passage without having to slow down as much (nor risk accidents by crossing active lanes of traffic). I've seen it work in Ottawa and I've been told it works in Mississauga and surrounding areas (usually where they have more money for enhanced services like that).
 
The Daulfin said:
I'd say the chance of that working everywhere would be slim to none.
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I agree, plus we've all seen the cross walk buttons in many places, small metal buttons - good luck getting the thing to click at all let alone sending "morse code" on it.
 
Aardvark154 said:
I agree, plus we've all seen the cross walk buttons in many places, small metal buttons - good luck getting the thing to click at all let alone sending "morse code" on it.
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The best part about that video clip is that in the time the goof took to input all those combinations of clicks, the light would likely be normally changing anyways. :rolleyes:
 
The Daulfin said:
... The more interesting secret would be that in some places if you flicker your headlights at an approaching intersection that it will turn green. Why? Emergency vehicles have strobes on their tops that trigger photo-sensors to allow them easier passage without having to slow down as much (nor risk accidents by crossing active lanes of traffic). I've seen it work in Ottawa and I've been told it works in Mississauga and surrounding areas (usually where they have more money for enhanced services like that).
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The 3M Opticom system sends a strobe code to the traffic light with data like "Mississauga" "Fire" "Pumper 212". The traffic light can then notify the fire dispatcher that "Pumper 212" just went past Intersection XYZ. You have to know the proper strobe code to actuate the system.

http://solutions.3m.com/wps/portal/3M/en_US/Traffic_Safety/TSS/?WT.mc_id=www.3m.com/us/safety/tcm



http://www.shawnhogan.com/2006/04/3m-opticom-792-emitter.html
"....The emitter separates precisely timed pulses of high intensity light in the infrared and visible wavelengths at the base flash rate of approximately 10, 12, or 14 Hz. It also interleaves programmed encoded pulses that carry the vehicle class and ID number information...."


http://www.mississauga.ca/portal/residents/trafficcontrol
"....Emergency vehicle pre-empt. All signalized intersections within the City of Mississauga are equipped with the Opticom Priority Control System. This allows Emergency Response Vehicles to activate and hold a green indication for their direction of travel, reducing emergency vehicle delay and response time. When this occurs, the affected traffic signals drop from the central system control....."


http://en.wikipedia.org/wiki/Signal_Preemption
".....An old urban legend that anyone can cheat and trigger a preemption device by flashing their vehicle's high beams is false. No human can operate their high beam switch at any of the exact frequencies required to activate the system, nor is it possible for any type of headlight to flash on and off at that rate even if it was mechanically or electronically controlled to the correct flash rate....."
 
sound like a load..but ya never know... i will keep a look out on the thred if some one does try it out...
 
l69norm said:
The 3M Opticom system sends a strobe code to the traffic light with data like "Mississauga" "Fire" "Pumper 212". The traffic light can then notify the fire dispatcher that "Pumper 212" just went past Intersection XYZ.
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If York gets their $$$, VIVA bus to equipped with transmittor for green light during rush hour.
 
l69norm said:
".....An old urban legend that anyone can cheat and trigger a preemption device by flashing their vehicle's high beams is false. No human can operate their high beam switch at any of the exact frequencies required to activate the system, nor is it possible for any type of headlight to flash on and off at that rate even if it was mechanically or electronically controlled to the correct flash rate....."
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CNN had a story last year with someone ticketed using remote transmittor. The device was sold on Ebay but since pulled. Not strobe, think it was infrared.
 
goodtime said:
CNN had a story last year with someone ticketed using remote transmittor. The device was sold on Ebay but since pulled. Not strobe, think it was infrared.
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"........Jason Niccum, of Longmont, Colorado made news in March 2006 when he was caught using such a device he bought on eBay for $100. He had been using it to speed his commute for two years..... Moreover, the SAFETEA-LU law signed in August 2005 made the sale or illegal use of a traffic preemption device in the United States a serious federal crime, with a minimum sentence of six months in prison...."
 
is that true here... ?????????? how about one to help move the traffic along...hummm... i think i want a tank.. that way when i beep my horn the guy in front will move out of the way when he looks in the rear view mirror...the sight of a huge cannon will get him out of the way..or his little Honda is toast... crunch crunch....hahahha
 
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