Conflicting traffic signals
April 5, 1948: The intersection of 5th and Grand has conflicting semaphore traffic signals. One says “stop” and the other says “go.”
But help was on the way. Los Angeles was in transition from these old signals to the three-light devices.
An article in the April 11, 1948, Los Angeles Times reported that out of 1,400 traffic-signal-controlled intersections in the city, 630 still had the semaphore signals. About 150 old signals were replaced in 1947 with the new devices “and its yellow caution light which gleams for a few seconds between the green and red.”
This photo by retired staff photographer Paul Calvert was published on April 11, 1948.
January 29, 2014, 9:47 pm
Some of these were still installed in San Francisco in the 1950s. As a little kid I thought they were totally cool.
February 3, 2014, 12:22 pm
There may or may not be a conflict in the signaling. One has to know if there is a different roadway at which the "stop" signal is directed.
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