L. David Baron @dbaron@w3c.social (@davidbaron): "Via @SunnysWords, will PTC requirements shut down most US passenger rail? https://storify.com/dbaron/will-ptc-requirements-shut-down-us-passenger-rail" | nitter

L. David Baron @dbaron@w3c.social @davidbaron

10 Sep 2015

Via @SunnysWords, will PTC requirements shut down most US passenger rail? storify.com/dbaron/will-ptc-…

Sep 10, 2015 · 9:58 PM UTC

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