US officials say key rail safety technology 90% complete

WASHINGTON (AP) — Federal railway officials say the railroad industry has installed safety technology on nearly 90% of tracks where it is required, but “significant work” is needed to ensure the technology is completely installed by a December 2020 deadline.
Federal Railroad Administration chief Ronald Batury says technology known as positive train control, or PTC, is in operation on more than 50,000 route miles (80,000 kilometers) of the nearly 58,000 route miles (93,000 kilom