CapMetro railroad tracks warp under extreme heat

An Aug. 4 "sun kink" between Highland and MLK stations was caught by an eagle-eyed engineer before anything disastrous happened.

Austin's CapMetro to temporarily modify rail service due to heat

Heat could warp train tracks, causing derailments

Why does the rail warp and deform in the severe heat?

HEAT WAVE: Train delays? Why it may be too hot for railroad tracks – Press Enterprise

Rail Neutral Temperature SafeRack's Industrial Index

What's with the heat restrictions? - Dave's Framingham-Worcester MBTA Commuter Rail Blog

Railway Age March 2021 by Railway Age - Issuu

WayPoint Blog – by: CapMetro

Is it real? Photo of railway track bent by the heat looks fake but isn't

Community Architect: 2018