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Download as PDF; Printable version; ... grade crossing or railroad crossing ... Modern radar sensor systems can detect if level crossings are free of obstructions as ...
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. The device is generally credited to Albert Hunt , a mechanical engineer at Southern California 's Pacific Electric (PE) interurban streetcar railroad, who invented it in 1909 for ...
The NTSB's recommendations from the accident included increased enforcement of grade crossing signals, the installation of train event recorders at all new or improved grade crossings, and procedures to provide emergency responders with accurate lists of all crew members and passengers aboard trains. The city of Bourbonnais erected a memorial ...
AREMA is headquartered in Lanham, Maryland, a suburb of Washington, D.C. As stated in their mission statement, AREMA promotes "The development and advancement of both technical and practical knowledge and recommended practices pertaining to the design, construction and maintenance of railway infrastructure."
For instance, it is extremely uncommon to find an at-grade junction on a British motorway; it is all but impossible on a U.S. Interstate Highway, though a few do exist. If traffic can traverse the junction from any direction without being forced to come to a halt, then the junction is described as fully grade separated or free-flowing.
If the template has a separate documentation page (usually called "Template:template name/doc"), add [[Category:Templates for railway lines of the United States]] to the <includeonly> section at the bottom of that page.
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. Manufacturing of crossing signals continued in Minneapolis.
Level crossing (LC), railroad crossing, railway crossing, train crossing, or grade crossing A crossing on one level ("at-grade intersection")—without recourse to a bridge or tunnel—generally of a railway line by a road or path. Not to be confused with non-dead-end railways (see Rail crossing) Light engine