https://www.theurbanist.org/2023/11/20/sound-transit-moving-forward-on-purchase-of-10-more-link-cars
Any rapid rail system has to have enough vehicles and frequency headways to meet demand.
"Fundamentally, Sound Transit is failing riders by not delivering on promised headways and consistent four-car trains." https://www.theurbanist.org/2023/11/07/op-ed-sound-transit-must-deliver-the-link-frequencies-it-promised
Seattle