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| Term | Definition |
|---|---|
| Automatic Area | Area where automatic fixed signals are controlled by movement of the train through an area. |
| Interlocking Area | Area where the signal and the switches are controlled from an interlocking machine operated by a Tower Oerator. |
| What 2 major requirement does a signal system fulfill | 1. Provides for the safe routing of trains by ensuring that, under normal conditions, there will be a safe braking distance between trains 2. Facilitates the movement of trains at max speed without sacrificing safety by giving the t/o advance info relati |
| 3 classifications of signals | Moveable, Fixed, Audible |
| Moveable: 3 types of directives u will receive | 1. Stop 2. Proceed 3. Proceed with caution, be prepared to stop |
| 3 classes of fixed signals | 1. Automatic 2. Interlocking 3. Misc |
| 2 types of fixed signals | 1. Light signal(auto signal) 2. Misc signal(ak, circle k, etc) |
| Aspect | Illuminated color lights on fixed signal |
| Restricted speed and extreme caution | 1. Do not go faster than 10 mph 2. Stop 2 car lengths short of visible object on the roadbed 3. Be ready to stop 4. Watch rails and switches for the route and look for anything unsafe on the track 5. Be prepared to stop within 1/2 your range of vision |
| Employees authorized to flag a train past a red automatic signal | 1. RTO Sup 2. Tower operators authorized by a GO, or given to them by a RTO Sup 3. T/O or Contruction flaggers when assigned to a specific location by a GO or RTO Sup |
| 3 types of Interlocking signals | 1. Home 2. Approach 3. Marker |
| 2 types of Home signals | 1. Standard (2 or 3 mast) 2. Low home (1 mast) |
| 2 types of Misc signals | 1.Light signal 2. Sign signals |
| 3 types of audible signals | 1. Tower horn signal 2. Train horn/ whistle signal 3. Buzzer |
| 2 short horn signals from tower or yard dispatcher | Trains in immediate area are to proceed |
| What types of cars use the H2C coupler | R32, R42, R62, R68, R68A |