Railroad SignalingFrom the 1830s to today, the railroad industry has developed myriad complex mechanisms to help keep North America’s railroad rights-of-ways safe, efficient, and relatively accident-free. In this paperback rerelease of the successful 2003 title, the otherwise-arcane world of railroad signaling is explained in concise language and brought to life with nearly 200 fantastic photographs that depict signaling history and all aspects of modern operations. Author and photographer Brian Solomon brings his wealth of knowledge and photographic talent to a subject that has not often been tackled in book form, yet is integral to the American railroad experience. |
Contents
| 6 | |
| 8 | |
1 EARLY HISTORY | 17 |
2 LATER HISTORY | 45 |
3 MANUAL BLOCK | 68 |
4 TOWERS AND INTERLOCKING | 79 |
5 AUTOMATIC BLOCK | 94 |
6 CENTRALIZED TRAFFIC CONTROL | 118 |
7 TRAIN CONTROL AND CAB SIGNALING | 136 |
8 GRADE CROSSING SIGNALS | 144 |
GLOSSARY | 156 |
| 158 | |
| 160 | |
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Common terms and phrases
allow American application approach arrangement aspects authority automatic automatic block basic blade block signal block system Brian Solomon Britain British cab signal Central clear color color-light communication Company condition crossing designed developed direction dispatcher display distant signal early electric engineer equipment example fixed freight give govern grade grade-crossing greater green hardware head indicate installed interlocking lamps levers light limited lines located locomotive machine mainline manual block mechanical move movements normal North operation passenger passing plant points position practice proceed protection rail railroad Railway Signal relay replaced restrictive result route rules running safe safety semaphores short siding signal system single-track situations slow speed staff standard station stop switch telegraph territory tion tower track circuit traditional traffic train train control train order typically Union United warning wires yellow York