| Willis Lamm'sTraffic Signal Collection
Crouse-Hinds DT 4-Way BeaconClick on a photo to bring up aIn the mid century, 4-way beacons were common for indicating dangerous intersections or to reinforce 4-way stops.  Yellow indications facing arterial streets warned of vehicles entering that might not be clearly seen, and red indications naturally meant "stop."full sized view in a new window.
This particular beacon came with all red indications, so it was likely installed over a 4-way stop intersection, signaling approaching motorists to make full stops.
 |  |   |