Yet Another Urbanist | The Problem With Rectangular Rapid Flashing Beacons @YetAnotherUrbanist | Uploaded February 2023 | Updated October 2024, 4 hours ago.
Rectangular Rapid Flashing Beacons can be found all over Reno, and they aren't helpful for pedestrian safety.

highways.dot.gov/safety/proven-safety-countermeasures/rectangular-rapid-flashing-beacons-rrfb

https://tti.tamu.edu/tti-publication/will-you-stop-for-me-roadway-design-and-traffic-control-device-influences-on-drivers-yielding-to-pedestrians-in-a-crosswalk-with-a-rectangular-rapid-flashing-beacon-final-report/