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red light camera

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Old Jun 8, 2007 | 06:56 AM
  #11  
smaglik's Avatar
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Default RE: red light camera

what about...

[IMG]local://upfiles/6346/914FFFBE1DCB40299F8D7C405BCA9125.jpg[/IMG]
 
Old Jun 8, 2007 | 03:08 PM
  #12  
ckebottle's Avatar
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Default RE: red light camera

It looked very similar ot that. Am I screwed? Haven't got anything in mail yet.
 
Old Jun 8, 2007 | 04:20 PM
  #13  
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Default RE: red light camera

ORIGINAL: smaglik

Currently I work for Purdue, doing a post-doc here. I do research in the area of traffic signals,traffic flow, and lots of vehicle detection. We have done a ton of research in the last year regarding video detection, the use of cameras as opposed to loops in the pavement. The majority of cameras are either PTZs for surveillance (Traffic Ops Center) or detection units.

http://news.uns.purdue.edu/html4ever...aNextrans.html

The linkis a picture of me and my boss (I am not wearing the tie) at one of our data collection test sites. There are lots of camera in the background.
This is off topic, but what the heck.

Do you happen to know ifintersections with these cameras show an increase in rear-end collisions?

Ata particular intersection, froma pure vehicle-damage cost stand point,does the total cost of collisions(including the total cost of monitoring) go up or down with the addition of red light cameras?

The same question for injuries.

Thanks!
 
Old Jun 8, 2007 | 05:43 PM
  #14  
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Default RE: red light camera

Some new stoplights use what looks like a camera to detect if a car is waiting at the read light. It may not have been a camered (sp?) intersection just a different type of traffic detection.... Most of these items are shapped kind of like the white camera but smaller and typically black....
 
Old Jun 9, 2007 | 01:31 PM
  #15  
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Default RE: red light camera

ORIGINAL: ckebottle

It looked very similar ot that. Am I screwed? Haven't got anything in mail yet.
i doubt it. that's just a surveillance camera. but, you never know. i wouldnt worry too much though. those thing s dont have the resultion to snap a worthwhile photo of much.
 
Old Jun 9, 2007 | 01:39 PM
  #16  
smaglik's Avatar
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Default RE: red light camera

ORIGINAL: Tony1M


This is off topic, but what the heck.

Do you happen to know ifintersections with these cameras show an increase in rear-end collisions?

Ata particular intersection, froma pure vehicle-damage cost stand point,does the total cost of collisions(including the total cost of monitoring) go up or down with the addition of red light cameras?

The same question for injuries.

Thanks!
Im not familiar with any research in that area, butthat is a good question. The proper way to answer your question is "Well, they should be stopping for the red light regardless."

I did a quick search

http://ntlsearch.bts.gov/tris/search...;o=1&new=n

and this one relevant document shows that accident rates decrease. However, the abstract doesnt specify what type of collisions they were. I would guess it involves the entire intersection.

In all honesty, if you are following so close to the car in front of you that you cant stop in the event that they stop, well, there isnt much any traffic engineering can do to help you.
 
Old Jun 9, 2007 | 01:41 PM
  #17  
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Default RE: red light camera

ORIGINAL: sir_nasty

Some new stoplights use what looks like a camera to detect if a car is waiting at the read light. It may not have been a camered (sp?) intersection just a different type of traffic detection.... Most of these items are shapped kind of like the white camera but smaller and typically black....
The photo I showed in post 9 is a vehicle detection device.
 
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