What configuration did these signals have? « on: November 20, 2024, 02:50:32 AM » Author: Milwaukeeman2003
In Los Angeles County, CA. Circa 1947.
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	Re: What configuration did these signals have? « Reply #1 on: November 20, 2024, 04:25:27 AM » Author: Baked bagel 11
My guess is that they are turn signals (amber and green arrow). https://www.google.com/maps/@34.1015778,-118.338779,3a,15y,137.63h,90.64t/data=!3m8!1e1!3m6!1s3lttvOaPdYDvc1qbgo3W0g!2e0!5s20160601T000000!6shttps:%2F%2Fstreetviewpixels-pa.googleapis.com%2Fv1%2Fthumbnail%3Fcb_client%3Dmaps_sv.tactile%26w%3D900%26h%3D600%26pitch%3D-0.6420088123580427%26panoid%3D3lttvOaPdYDvc1qbgo3W0g%26yaw%3D137.63144733580265!7i13312!8i6656?entry=ttu&g_ep=EgoyMDI0MTExNy4wIKXMDSoASAFQAw%3D%3D
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	Re: What configuration did these signals have? « Reply #2 on: November 20, 2024, 12:18:17 PM » Author: Milwaukeeman2003
Doesn’t seem like that’s the case, considering that the green ball indication is the fourth section, rather than the third.
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	Re: What configuration did these signals have? « Reply #3 on: November 20, 2024, 04:01:06 PM » Author: Baked bagel 11
It's quite hard to see, perhaps a red arrow on the top?
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	Re: What configuration did these signals have? « Reply #4 on: November 20, 2024, 04:03:36 PM » Author: Milwaukeeman2003
My best guess would be, from top to bottom, two reds, one yellow and green, and a walk indication.
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	Re: What configuration did these signals have? « Reply #5 on: November 22, 2024, 05:26:19 AM » Author: Lampwizard
Such traffic lights can still be found in downtown Chicago (e.g. see Streetview of corner of N. Michigan Avenue and E. Ohio Street). It comes with a sign "left on green arrow only". https://www.google.nl/maps/@41.8925646,-87.6241074,3a,27.4y,202.86h,92.47t/data=!3m8!1e1!3m6!1sxrQt82l3aNIitb9JHdxOrg!2e0!5s20171001T000000!6shttps:%2F%2Fstreetviewpixels-pa.googleapis.com%2Fv1%2Fthumbnail%3Fcb_client%3Dmaps_sv.tactile%26w%3D900%26h%3D600%26pitch%3D-2.46631586159711%26panoid%3DxrQt82l3aNIitb9JHdxOrg%26yaw%3D202.86186683387191!7i13312!8i6656?hl=nl&entry=ttu&g_ep=EgoyMDI0MTExOS4yIKXMDSoASAFQAw%3D%3D From the top to bottom: Red for traffic going straight ahead Yellow for traffic going straight ahead Green for traffic going straight ahead Yellow arrow for traffic turning left Green arrow for traffic turning left Just like it is shown in the Streetview picture of Baked bagel 11. There is no red arrow for left turn. Once the green left turn arrow is off, one has to stop since oncoming traffic has the green light.
« Last Edit: November 22, 2024, 05:29:15 AM by Lampwizard »		Logged

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	Re: What configuration did these signals have? « Reply #6 on: November 22, 2024, 10:50:59 PM » Author: Milwaukeeman2003
There are two problems with this idea. One is that the forth section is a green ball, rather than a yellow arrow. The other is that there weren’t any computerized controllers at the time.
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	Re: What configuration did these signals have? « Reply #8 on: January 01, 2025, 05:59:33 PM » Author: Baked bagel 11
Idk how I missed @fluorescent lover 40s response, sounds plausible.
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	Re: What configuration did these signals have? « Reply #9 on: January 01, 2025, 11:05:03 PM » Author: Milwaukeeman2003
It’s possible. But I have no idea if red arrows were made back then, since I doubt that 12 inch signals existed at the time .
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	Re: What configuration did these signals have? « Reply #10 on: January 02, 2025, 02:48:36 AM » Author: Baked bagel 11
Perhaps, I'm not very knowledgeable about 1940s American signals lol.
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