Mechanical running a modern intersection

EM, NEMA, whatever - if it controls a traffic signal, you can talk about it here.

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Re: Mechanical running a modern intersection

Postby vaughnsimon on Thu Apr 25, 2013 7:53 am

2070 wrote:Looks like a splice box, But I could be wrong......

http://maps.google.com/maps?q=23+mile+a ... 15.19&z=16

The real controller....

http://maps.google.com/maps?q=23+mile+a ... -4.76&z=16


I go with the splice box guess, but just to throw out another idea:

We had one I-95 intersection that had a bad lightning problem. We would lose about one controller/cabinet a year, usually in a massive afternoon Florida "thunderbumper". Finally we installed a separate EF-70 cabinet with a controller that we would jumper the signals to while we replaced the cabinet or otherwise fixed the carnage.
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Re: Mechanical running a modern intersection

Postby JVC8230 on Thu Apr 25, 2013 8:36 am

Nick,

Are the numbers on the cabinets the same??

I agree with the rest of the guys, I remember when they put that in back in 2000 or '01. They stopped installing EM controllers with designations around #550, which would have been early-mid '80s.

They just removed some of the last EF-70s in service a couple weeks back.

#419 - Common and Hayes
#503 - 8 Mile and Beaconsfield
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Re: Mechanical running a modern intersection

Postby EPAC-EPIC-MARC on Thu Apr 25, 2013 10:45 am

JVC8230 wrote:Nick,

Are the numbers on the cabinets the same??

I agree with the rest of the guys, I remember when they put that in back in 2000 or '01. They stopped installing EM controllers with designations around #550, which would have been early-mid '80s.

They just removed some of the last EF-70s in service a couple weeks back.

#419 - Common and Hayes
#503 - 8 Mile and Beaconsfield


I think the numbers are the same. I will check next time I drive through the intersection.

Is the EF20/70 still running at Bunert and Martin? That one I know was mechanical because its a quiet enough intersection where I can roll down the window and hear it clunking as I wait for the green light :crazy:
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Re: Mechanical running a modern intersection

Postby EPAC-EPIC-MARC on Thu Apr 25, 2013 10:49 am

Just did a double check on google streetview and both the mechanical and the Eagle P NEMA cabinet at the Van Dyke freeway ramps appear to have #875 designations. I am not sure if the new ITS cabinet is designated as 875 or a new number if they're splitting up the control on the intersections.
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Re: Mechanical running a modern intersection

Postby NKS_Signal on Thu Apr 25, 2013 9:12 pm

It is rare to see multiple intersections controlled by a single controller. Only a couple I can think of:
http://maps.google.com/maps?hl=en&ll=42 ... 1,,0,11.01

This one is fairly complex for a single controller, one side has a standard red ball flash, the other has split phasing with left turn green arrows only. :panic:
http://maps.google.com/maps?hl=en&ll=42 ... .31,,0,2.6

This one is interesting, two turnarounds sharing a pole in the center, and two Nema cabinets back to back.
http://maps.google.com/maps?hl=en&ll=42 ... 03,,1,2.68

JVC8230 wrote:They just removed some of the last EF-70s in service a couple weeks back.

#419 - Common and Hayes
#503 - 8 Mile and Beaconsfield


The whole intersection, or just a controller swap-out? :sad:
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Re: Mechanical running a modern intersection

Postby JVC8230 on Thu Apr 25, 2013 9:37 pm

Just a controller swapout. Also noticed they swapped out the EF-20 at 15 Mile and Sterling Stamping.

Martin and Bunert was still an EF-70 last time I checked.
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Re: Mechanical running a modern intersection

Postby EPAC-EPIC-MARC on Fri Apr 26, 2013 7:08 am

JVC8230 wrote:Just a controller swapout. Also noticed they swapped out the EF-20 at 15 Mile and Sterling Stamping.

Martin and Bunert was still an EF-70 last time I checked.


Did they leave all the 8 inchers?? Its the only intersection in the immediate area that had rodded flatbacks and short groove econolites! If I remember it had the separate cabinet bolted to the side of the EF20 cabinet for the 3M time clock. I figured that one stayed as long as it did because it's owned by the plant.

EDIT: For those wondering...this is the intersection I'm talking about: http://goo.gl/maps/KVWSd

What replaced it?
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Re: Mechanical running a modern intersection

Postby JVC8230 on Fri Apr 26, 2013 4:53 pm

Still has the Econolites and rodded Flatbacks. They just put a NEMA up.
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Re: Mechanical running a modern intersection

Postby LarryC39 on Sat Apr 27, 2013 12:32 pm

IDK if this one is plant or county owned, but is still 12" main, 8" arterials. Burnt bulbs rarely get changed, and the NB 8" red of the North cluster has been missing the visor for years. I should take mine over there one day. :crazy:

It's still an EF running the intersection with a time clock for midday flash mode. Note the cabinet uses a hasp and padlock, so no lookie loos. :sad:
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Re: Mechanical running a modern intersection

Postby EPAC-EPIC-MARC on Sun Apr 28, 2013 12:24 pm

LarryC39 wrote:IDK if this one is plant or county owned, but is still 12" main, 8" arterials. Burnt bulbs rarely get changed, and the NB 8" red of the North cluster has been missing the visor for years. I should take mine over there one day. :crazy:

It's still an EF running the intersection with a time clock for midday flash mode. Note the cabinet uses a hasp and padlock, so no lookie loos. :sad:



I believe this is the one you are talking about http://goo.gl/maps/tsof5 although there is no visor missing.
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