troymail
Silent Key
Apparently, still not learning from mistakes...
https://wtop.com/tracking-metro-24-7/2018/01/metro-radios-improved-not-enough-union-says/
A Metro investigation following last week’s derailment found radio system tests that were supposed to be done weekly were instead scheduled every other week — but only done monthly.
And when they were done, the tests only checked one-way of the two-way communication signal.
And when they were done, the tests only checked one-way of the two-way communication signal.
https://wtop.com/tracking-metro-24-7/2018/01/metro-radios-improved-not-enough-union-says/