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Traffic Signals - Reproduced Green Wave Progression

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Uploaded by on Jan 3, 2009

I was asked to upload a video of my 'home built' master control panel and how it produces a 'green wave progression' among the 'intersections' of restored old traffic signals... so here you go! Thanks for your interest in old traffic signals.

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Uploader Comments (wildhorseguy)

  • All red is a relatively new concept in the context of the total time electric signals have been used. Signals of this vintage used electromechanical controllers that oftentimes didn't have enough steps to display all red intervals. The invention of electronic controllers allowed more indication options. Also the Sargent-Sowell in the collection used a die cut cam Synchron controller rather than a step controller and displays an all red indication. (The buzzing is a flourescent light.)

Top Comments

  • id sit there all day and watch em change :D

  • Dude, you are my hero.

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All Comments (31)

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  • i could care less about stop lights but i ended up watching this video. i still dont care about signal lights but for some reason im happier for having seen it haha. well played sir.

    ps when the guy spoke i thought of santa.

  • Why is there no 'all red period'?

  • @brp1801: my light only works with all lights (red yellow green) at the same time!

  • also what is thy buzzing sound

  • cool!!

  • @vertoisful They old skool cast aluminum ones are. The 12-12-12 (meaning 12" lenses) weigh about 40 to 50 lbs. The smaller 8-8-8 is about 25 lbs. The ones that are made of polycarbonate weigh far less (almost 75% less approximately).

  • Wow, I like it how this guy is just so full of knowledge about this! he knows everything about it.

  • r thay hevy?

  • whats the name of the traffic signal with 5 lights

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