A controlling interest in interoperability

摘要

Railroads, suppliers believe they're doing a much better job of working together to develop non-proprietary train control solutions. C&S managers, their bosses — even their bosses — continue to struggle with even the most fundamental issues surrounding next-generation train control technology. Train-control trackers still use system designations — communications-based train control (CBTC), communications-based train management (CBTM), positive train control (PTC), positive train separation (PTS) — interchangeably.