SignalTraffic Forums

by **cjsebes** on Tue Jul 23, 2013 10:52 am

I'm re-creating a 3-way New York City red-green cluster and I'd like input on how long (if at all) there should be an overlap or black period for this type of configuration. So I searched the forum and found some ideas, but I'm still not sure. I'm thinking a 2-second red-green overlap would be appropriate and realistic for that era, but I'd like to hear others' opinions.

Here's what I have assembled so far.

by **steven1981** on Tue Jul 23, 2013 6:09 pm

I have seen several videos of older two-section traffic signals in operation and talked to some people in person about these, and a lot of overlaps lasted typically for one second.

Though I recall the newer two-section traffic signals that I remember from Queens in New York had slightly longer overlaps. Usually between two to three seconds.

I suppose it depends on what you want to choose. I have a Ruleta, so I chose to time its overlap for one second, since I wanted to replicate the old duration that I observed in most of the videos I watched. If you are interested in replicating an overlap from the 1950s, then I would suggest (in my opinion) to time the overlap for one second.

It's up to you.

by **cjsebes** on Thu Jul 25, 2013 12:22 am

Thanks for the feedback, Steven. I'd like to mimic the timing of the Marb clusters since that's what I'm recreating. One second just seems too short to me. I'm feeling like two seconds is a more reasonable time. Three seconds might be too long, but that would be my maximum length.

by **steven1981** on Thu Jul 25, 2013 1:52 am

I'd say go for it.

A good example could be watched below, in which I am sure you might have seen at one time or another.

by **cjsebes** on Sun Jul 28, 2013 10:14 pm

Thanks for the video, Steven. I do remember seeing that and that's exactly what I needed to see. It looks to be 2 seconds. Now to order the controller.

by **steven1981** on Mon Jul 29, 2013 12:17 am

cjsebes wrote:Now to order the controller.

Maybe an original N.Y.C. electro-mechanical?

by **cjsebes** on Mon Jul 29, 2013 6:31 pm

That would be nice. But it's going to be a PCB controller from Sean. At some point, I'll have a nice big house and real estate to keep my signals and controllers out on display. But for now, I have to keep things compact. Some day, though.

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New York City overlap timing

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