Edit post

Edit your reply below.

Post Body
Enter your post below.
Here is a definition from the general code of railroad rules. INTERLOCKING Signal appliances that are interconnected so that each of their movements follows the other in a proper sequence. Interlockings may be operated manually or automatically. This should clear up the problem. I am a retired Conductorr/Trainman and Yardmaster for the Boston and Maine Railroad. Brian Cummings Ma.
Tags (Optional)
Tags are keywords that get attached to your post. They are used to categorize your submission and make it easier to search for. To add tags to your post type a tag into the box below and click the "Add Tag" button.
Add Tag