WMATA SafeTrack (2016-2017)
Washington, D.C.'s Metro rail system ran an accelerated maintenance program after decades of deferred work produced safety hazards. The effort used extended single-tracking and weekend closures to replace track and fix other infrastructure, launched after a smoke incident in 2015 killed one passenger.
Riders endured over a year of chronic delays and crowded trains.
The program removed many speed restrictions and hazards, and Metro shifted to sustained capital renewal.
Both agencies chose to disrupt service now to fix deferred maintenance, accepting rider pain to end slow zones.
