CHAPTER 1 Basic Terms of Railway Operation Unit 1 Basic Track Arrangements Further Reading Unit 2 Basic Signal Arrangements Further Reading CHAPTER 2 Block Unit 3 Fixed Block Operation Further Reading Unit 4 Manual Block Further Reading Unit 5 Automatic Block Further Reading Unit 6 Automatic Train Protection Further Reading Unit 7 Automatic Train Operation Further Reading Unit 8 Automatic Train Supervision Further Reading Unit 9 Communications Based Train Control Further Reading Unit 10 Axle Counter Further Reading CHAPTER 3 Interlocking Unit 11 Interlocking Principles Further Reading Unit 12 Relay Interlocking Further Reading Unit 13 Computer Interlocking Further Reading CHAPTER 4 Other Types of Rail Traffic Unit 14 Light Rail Further Reading Word list Abbreviations Table Reference