The Brief
- Fires may be set along North Texas train tracks to keep trains moving during the cold.
- Switch warmers across the Metroplex keep tracks from freezing.
- DART, the DCTA and Trinity Metro use the technology.
You may see small flames near the DART tracks in North Texas over the next few days.
Don’t worry, it is on purpose.
Switch warmers
What we know:
DART is expected to activate switch warmers along the tracks to prevent freezing on the rail lines.…