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Course Outline
Block Signal Design
- Minimum system and signal requirements
- Recommended practices (AREMA, APTA)
- System characteristics
- Minimum FRA signal system requirements
- Common signal plan symbols
- Rail system plans
- Cab signals
- Fixed block layouts (design, capacity, modeling)
- Safe braking distances, formulas, charts, and speed commands
Traffic Control Systems (TCS)
- Basic elements of TCS
- Primary functions and accomplishments
- Types of TCS
- Automatic block signal locations and equipment
- Minimum signal requirements
- Block signal requirements
- Moving block signaling
- FRA automatic block definitions
- Traffic control systems and functions
- Basic principles and signal systems
- Route and aspect chart
Electrical Fundamentals
- Resistance and current
- AC vs DC
- Resistors, inductors, capacitors
Track Circuit Theory
- FRA track circuit criteria
- DC track circuit
- AC power frequency circuit
- Audio track frequency circuits
- Track circuit based traffic control systems
Safety Assurance
- Safety analysis and objectives
- Fail-safe
- Training
Interlockings
- Interlocking overview and signaling
- FRA interlocking requirements
- Understanding switches
- Route locking and FRA requirements
- Detector and traffic locking
- Interlocking design and logic
- Interlocking examples
Positive Train Control
- What is PTC and how does it work
- How did we get here?
- PTC legislation and FRA
- Status of regulation and implementation
- PTC system architecture and operation
- Functional overview of operation
- PTC system components
- PTC systems
- ITEMS
- ACSES II
- ITCS
- Deployment status