Is there any popular traffic signals in the 1960's that was still use to this day?
I don't know what type of most signals are, so let know what type. I believe these types were exist in the 60's.
https://www.google.com/maps/@37.0205682,-76.4421827,3a,18.3y,32.48h,115.61t/data=!3m6!1e1!3m4!1sbWVtQkZJOcKupTnSJ8v02g!2e0!7i16384!8i8192
https://www.google.com/maps/@31.0960457,-97.7211955,3a,15y,82.04h,90.56t/data=!3m6!1e1!3m4!1sNIfeIFGSejV00FE-7tx5Uw!2e0!7i13312!8i6656
https://www.google.com/maps/@31.0947845,-97.7212236,3a,15y,37.2h,89.97t/data=!3m6!1e1!3m4!1sw5DbWvLlWIuFa5_pC1jy1g!2e0!7i13312!8i6656
https://www.google.com/maps/@33.9140777,-98.4937873,3a,15y,147.78h,112.1t/data=!3m6!1e1!3m4!1sW05YQYj8ZY-kDnVrCicRzw!2e0!7i13312!8i6656
https://www.google.com/maps/@40.0205961,-75.1400975,3a,15y,7.67h,100.18t/data=!3m6!1e1!3m4!1skN21hE3qcTfxWUSiKU7iHQ!2e0!7i16384!8i8192
https://www.google.com/maps/@40.0426047,-75.1137133,3a,15y,20.32h,112.06t/data=!3m6!1e1!3m4!1spwDF70I-uKe_gGG4JYJ8gg!2e0!7i16384!8i8192
There definitely is some good traffic signal discussion elsewhere on the forum, like in Traffic Control. This shouldn't be in Off-Topic.