TriMet says it’s still trying to determine what caused a series of electrical substations to fail Monday morning.
The outages brought service on the MAX lines to a halt and affected the commutes of thousands of light rail riders in the Portland area.
Mary Fetsch is a TriMet spokeswoman. She says the trouble started early this morning when six electrical substations all lost power.
“Typically, when a substation goes down, the next adjacent substation will pick up the slack. This one with six of them right in a row, meant that all service to the MAX Line in sort of the downtown area was impacted.”
Fetsch says while most MAX service has been restored, trains were still unable to cross the Steel Bridge, as of shortly before 4:00.
TriMet technicians hope to have that problem remedied soon. But, the agency says its shuttle buses are still running.
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