You might hear some of these railroading terms, so if you’re not already familiar with them, this will be a handy reference.

Blue Signal
A blue signal warning that workers are on, under, or between equipment. It can be a blue flag, blue light, or blue tag depending on whether it is day or night.

Bolster Stop
This device limits the lateral movement of a drawbar (when properly fitted).

Bolt-Lock Switch
A hand-operated switch equipped with a pipe-connected locking device that is designated to shunt the signal system before the switch points are operated.

For more model train help and helpful model railroading tips and secrets you might want to read the Model Train Help website

Happy Railroading.