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The Magnetic Signal Company was an American company based in Los Angeles, California, focused on railway signalling. The company was the manufacturer of the ubiquitous "Magnetic Flagman" wigwag railroad crossing (or level crossing ) signal, seen all over California and the western states.
A Magnetic flagman wigwag signal in use in southern Oregon, June 2007. Wigwag is a nickname for a type of railroad grade crossing signal once common in North America, referring to its pendulum-like motion that signaled a train's approach.
Union Switch & Signal (commonly referred to as US&S) was an American company based in Pittsburgh, Pennsylvania, which focused on railway signaling equipment, systems and services. The company was acquired by Ansaldo STS (from 2015, Hitachi Rail STS ) in 1988, [ 1 ] operating as a wholly-owned company until January 2009, when US&S was renamed ...
The wig wag signals, while no longer operating (newer gates, red lights and bells have been installed at the crossing), are one of only a handful still in existence nationwide. The neighborhood is divided by a ridge, which separates it into a "Bay side" and a "town side." Many houses, which include historic Victorians, offer a view of the bay ...
The firm purchased Los Angeles–based Magnetic Signal Company in the late 1940s and moved production to Minneapolis. Magnetic Signal is the company credited with the invention of the wigwag grade crossing signal once common throughout Southern California. "Railroad Accessories Corporation" (RACO) merged with Griswold Signal Company in 1964.
Additionally, motorists sometimes remain stopped during the flashing red phase when the crosswalk is clear due to the similarity to a railroad crossing signal. [9] In 2016, to help address this issue, the Federal Highway Administration authorized use of a new traffic sign, 'R10-23a', as an alternative sign to use at HAWK beacons.
Wigwag (railroad), a type of railroad grade crossing signal; Wigwag (flag signals), a type of flag signal; Wig-wag (sound stage), a red light indicating filming is in progress; Wig-wag (automobile), headlight flasher; Wig wag (truck braking systems), a mechanical arm indicating low brake pressure
Albert James Myer (September 20, 1828 – August 24, 1880) was a surgeon and United States Army general. He is known as the father of the U.S. Army Signal Corps, as its first chief signal officer just prior to the American Civil War, the inventor of wig-wag signaling (or aerial telegraphy), and also as the father of the U.S. Weather Bureau.