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Pilot program: Speed sensors trigger red light on Philly road
Philadelphia Inquirer ^ | Tuesday, November 19, 2013, 2:01 AM | Robert Moran

Posted on 11/19/2013 12:47:33 PM PST by Olog-hai

The speed limit on Kelly Drive near Fountain Green Drive is 35 mph, but the average speed of motorists is nearly 55.

In an attempt to slow everybody down, the city has installed sensors in the roadway that determine the speed of vehicles approaching Fountain Green, about a half-mile north of the Girard Avenue Bridge.

If a vehicle passes the sensor going above the speed limit, the light at Fountain Green turns red. …

In another safety measure, the city will add a nonslip surface on Kelly Drive next year to help reduce accidents on rainy days, (acting Streets Commissioner David J.) Perri said. …

(Excerpt) Read more at philly.com ...


TOPICS: Chit/Chat; Miscellaneous; Travel; Weird Stuff
KEYWORDS: philadelphia; redlight; sensor; speeding
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1 posted on 11/19/2013 12:47:33 PM PST by Olog-hai
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To: Olog-hai

Interesting concept. Sequenced lights timed to the speed limits would accomplish the same thing.


2 posted on 11/19/2013 12:49:02 PM PST by USNBandit (sarcasm engaged at all times)
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To: Olog-hai

The unintended consequences of this will be epic.


3 posted on 11/19/2013 12:49:24 PM PST by E. Pluribus Unum (Who knew that one day professional wrestling would be less fake than professional journalism?)
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To: USNBandit

Sequenced lights timed to the speed limits would accomplish the same thing.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

They do that plenty here in Texas. I have heard that it is even against state law, but whatever.

Using red lights to regulate, slow down, and even stop traffic is common.


4 posted on 11/19/2013 12:51:25 PM PST by Responsibility2nd (NO LIBS. This Means Liberals and (L)libertarians! Same Thing. NO LIBS!!)
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To: USNBandit
When I was in college, we "discovered" that the lights on the main roads were timed - to about 10mph over the speed limit.

It's almost like the cities were encouraging you to speed. Surely, they'd never do that. It's all about safety, not revenue...
5 posted on 11/19/2013 12:54:10 PM PST by chrisser (Senseless legislation does nothing to solve senseless violence.)
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To: chrisser

Timing them AT the speed limit will result in massive pile-ups (since in reality virtually no one is driving at the limit)


6 posted on 11/19/2013 12:58:19 PM PST by Buckeye McFrog
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To: USNBandit
Sequenced lights timed to the speed limits would accomplish the same thing.

I think they work at other speeds too.

7 posted on 11/19/2013 1:01:42 PM PST by Paladin2
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To: USNBandit

Speed sensors cost more. So the companies which manage the revenue enforcement systems push them.


8 posted on 11/19/2013 1:04:27 PM PST by driftdiver (I could eat it raw, but why do that when I have a fire.)
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To: Olog-hai

Philly would be much better off spending time solving their feral youth problem.


9 posted on 11/19/2013 1:06:13 PM PST by EEGator
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To: EEGator

Ahhh.... you miss the point, entirely.

Feral youth abatement cost money

Auto speeder lights raise money


10 posted on 11/19/2013 1:08:00 PM PST by bert ((K.E. N.P. N.C. +12 ..... Travon... Felony assault and battery hate crime)
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To: Olog-hai

They should replace the red lights in Philly with a big red middle finger. That’s their attitude.


11 posted on 11/19/2013 1:08:50 PM PST by DManA (enis)
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To: bert

True. Philly is beyond help anyway.


12 posted on 11/19/2013 1:12:05 PM PST by EEGator
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To: E. Pluribus Unum

Yep... massive T-Bone accidents no doubt.


13 posted on 11/19/2013 1:13:37 PM PST by rwilson99 (Please tell me how the words "shall not perish and have everlasting life" would NOT apply to Mary.)
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To: Olog-hai
If the cops want a far less expensive and more effective means of getting people to slow down...

I suggest the next time they retire a police cruiser, they simply park it on Kelly Drive near Fountain Green Drive and place a mannequin in the driver seat sporting a full policeman's uniform. They could even set up a relay connected to a simple circuit that would randomly flash the lights to achieve the look of a real cop in the cruiser.

Move its location occasionally but I guarantee that the average speed of motorists will be very near or under 35 mph. And it costs the town next to nothing.

14 posted on 11/19/2013 1:14:24 PM PST by Bloody Sam Roberts (Hey Nancy! Ya think these problems could've been avoided if you'd read the bill before passing it?)
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To: USNBandit

Bad concept, imho. It would be much better to use these detectors to sync up the green lights with the flow of traffic, to keep everything running smoothly. Instead, they are going to do the opposite and clog up their streets even more.


15 posted on 11/19/2013 1:31:59 PM PST by Boogieman
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To: Boogieman
-- Instead, they are going to do the opposite and clog up their streets even more. --

Also, the proposed stopping of traffic will increase the emission of CO2.

16 posted on 11/19/2013 1:37:19 PM PST by Cboldt
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To: Olog-hai

All traffic enforcement is about revenue.


17 posted on 11/19/2013 1:37:25 PM PST by Navy Patriot (Join the Democrats, it's not Fascism when WE do it, and the Constitution and law mean what WE say.)
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To: Boogieman

I live in an area with limited traffic and the most congested area is getting on and off one of the freeway exits. Every so often I see the traffic engineers messing with the timing and when they get it wrong, it is amazing what a bad result they can get.


18 posted on 11/19/2013 1:38:31 PM PST by USNBandit (sarcasm engaged at all times)
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To: Boogieman

Worse, this punishes those not speeding

The speeders and non speeders alike are caught at the light.

A few good speed bumps carefully designed to look like pothole would be a better alternative

That said the only time I have been to Philly I was speeding as fast as I could out of town


19 posted on 11/19/2013 1:38:36 PM PST by Fai Mao (Genius at Large)
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To: Olog-hai
I'm not a traffic engineer, but I will never understand this incessant struggle to irrationally slow speed limits.

The street in this article is 35 MPH, but most motorists travel it at 55 MPH. Studies have been done that prove motorists generally travel at speeds that are intuitively comfortable, hence most motorist in this story are NOT going 35. Therefore, the likely appropriate speed is, in fact, probably closer to 55 than it is to 35. But the speed Nazis want ticket money and believe that “for the children” everyone should drive at 10 MPH.

There is a major highway near were I live. This highway speed limit is set at 55 MPH, yet at one section of the highway the road narrows and the shoulders of the road are close to the lanes. At this section of the road most motorists traveling this highway naturally, and always SLOW DOWN. The speed limit is 55. The highway was designed for 55+, but motorists almost always travel at comfortable speeds.

Just yell, “SAFTEY” and you can get almost any road speed limit reduced to stupid speed. I want to travel at ludicrous speed!

20 posted on 11/19/2013 1:55:15 PM PST by Obadiah (I Like Ted.)
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