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Posted by
GojiMet86
on Tue May 4 10:54:53 2021, in response to Re: Mexico City Metro collapse (and here?), posted by SLRT on Tue May 4 09:59:50 2021.
https://en.wikipedia.org/wiki/Mexico_City_Metro_overpass_collapse
The newest line of the STC system, Line 12 (also known as the Golden line) was opened in October 2012. It faced issues from the onset of service, with trains on elevated sections forced to reduce speed over worries of derailing. Seventeen months later, the Atlalilco–Tláhuac section, where Tezonco and Olivos stations are located, was closed for twenty months to repair technical and structural faults.
After the 2017 Puebla earthquake damaged Line 12 tracks, Olivos station was temporarily closed, but later was reopened and served as the provisional terminal station for one month. Neighbors had reported in 2017 that the section had visible structural cracks that could cause a future collapse. Transport authorities made repairs following these complaints. A column between Olivos and Nopalera stations that showed cracks in its base was repaired by the transport authority by January 2018.
Concerns with the overall metro system have grown. In January 2021, a fire in STC's downtown headquarters killed one police officer and hospitalized 30 people. Six subway lines were offline for weeks. In April, one of the system's twelve lines shut down after a track fire.
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