COLVILLE SUBDIVISION TIMETABLE NO. 6 | ||
| Track Chart | Contents | Trackside Detectors |
SYSTEM SPECIAL INSTRUCTIONS Section A—TIMETABLE CHARACTERS | ||
| #MT | Multiple Main Tracks, # indicates number of tracks |
| J | Junction, with manual switch |
| M | Manual Interlocking |
| T | Turning Facility |
| X | Crossover |
| Y | Yard Limits |
| ABS | Automatic Block System Territory |
| CTC | Centralized Traffic Control Territory |
| DT | Double Track, with Current of Traffic |
| DTC | Direct Traffic Control Territory |
| TWC | Track Warrant Control Territory |
| Track Chart | Contents | Trackside Detectors |