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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...
This technical bulletin is also Operating Practices Agency Interpretation OPAI-05-01 which is
being distributed to our rail industry customers through the Association of American Railroads,
the United Transportation Union, the Brotherhood of Locomotive Engineers (including the
American Train...
1. Yardmasters
2. Train and Engine Service Employee Tie-ups After Maximum Statutory On-duty Time
3. Bridgetenders
4. Relaying "Orders" between Railroad Employees
5. Flaggers
Also OPSA-96-03