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WMSC monitors ATO overruns and rough‑ride reports; designates RTC/button consolidation project for in‑depth review
Summary
WMSC staff reported that ATO station overruns remain concentrated on recently activated lines and that staff are investigating recurring rough‑ride reports; the commission has designated MetroRail’s RTC/button controller consolidation project for in‑depth review.
The Washington Metrorail Safety Commission provided updates on automatic train operation station overruns and reported passenger complaints and staff observations of “rough‑ride” vehicle behavior since the system resumed higher design speeds.
ATO overruns: staff analysis and mitigation
WMSC staff reported cumulative station overrun counts by line since each entered ATO service. The earlier‑activated red line has the highest cumulative overruns (reported as 380), while silver (161), orange (134) and blue (95) lines — the most recently activated ATO lines — also recorded substantial overruns. Staff said the green and yellow lines reported fewer overruns (76 and 66 respectively) and that last year’s total system overruns were 250, most from manual operation before the red line activation.
Staff described a multilayered…
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