The Portland Streetcar is 20 years old, making it relatively sprightly for infrastructure in the United States.
- Robinson Meyer
- The Atlantic
Yet it was built for a different geological epoch.
On Sunday, while Portland suffered through what was then its hottest day ever, the system started to melt.
As the temperature reached 112 degrees Fahrenheit, a power cable on a major bridge warped, twisted around some metal hardware, and scorched.
Elsewhere, the wires that run above the track expanded and sagged so much that they risked touching the…