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The Federal Railroad Administration (FRA) sponsored Transportation Technology Center, Inc. to develop a concept of operations (CONOPS) for a system capable of resolving the location of maintenance-of-way (MOW) workers and establishing working limits, and the initial applications that could utilize...
• Circumstances Permitting Relief of Rear-End Flag Protection
• One Train Following Another at Restricted Speed
• Use of Radio Communication between Trains to Afford Relief of
Rear-End Flag Protection in Non-Signaled Territory
• Accessibility of Radios for Roadway Workers
• Definition of Control Center
• Definition of Working Radio
• Radio and Wireless Communication Coverage
• Explanation of the term Switching Operations
• Clarification of Communications Redundancy