The ROCC has declared a "Code 34" - meaning that Rail Traffic Controllers are blind and cannot remotely see where trains are. This is *not* an imminent safety risk - the underlying ATC system continues to work - but may cause some train delays.
https://twitter.com/MetroReasons/status/860118732722626560#wmata
The MetroHero data access to the #wmata APIs also appears to be affected.
https://twitter.com/metroheroalerts/status/1442954597786554369
It sounds like the #wmata ROCC is able to see where trains are and can remotely set signals again (as of 4:58p).
This is the kind of delay that results from a Code 34 when the #wmata rail traffic controllers aren't able to monitor where trains are. They have their "eyes" back now though, all trains should be resuming movement soon.
https://twitter.com/Karey85987773/status/1442958783232176128
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