为什么美铁系统屡屡崩溃：它已经 100 岁了

今年夏天，美国东北走廊铁路系统经历了一系列中断，6 月份的一个变电站爆炸只是其中之一。升级这些铁路系统需要巨额资金和超过十年的时间，这突显了老旧的基础设施对铁路系统可靠性的影响。

## Original Title: Why Amtrak’s System Keeps Breaking Down: It’s 100 Years Old
## Article Content:
An explosion at a substation in June caused just one in a series of disruptions along the Northeast Corridor this summer. Upgrades would come at enormous cost and take more than a decade.

Original article: https://www.nytimes.com/2024/08/20/nyregion/amtrak-njtransit-delays.html