In this installment of the Railroad 101 series, we look at Railroad Signal Design! We go over 10 different levels of understanding of signals, focusing on the fun behind-the-scenes stuff that most folks don't get to hear about, as my current job is being a signal design engineer.
BNSF Aspect Chart: https://signals.jovet.net/rules/BNSF%20Signal%20Rules.pdf
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0:00 Intro
1:10 L1: Signal Types; History
5:14 L2: Signal Aspects & Indications
7:42 L3: Local Traffic Control
10:58 L4: Centralized Traffic Control
13:00 Recap 1-4
14:53 L5: Automatic Train Stop
17:02 L6: Track Circuits
24:04 L7: Signal Bungalows
25:22 L8: Vitality, Signal Circuit Design
29:40 L9: Relay Logic Madness
37:03 L9: part 2: Get the green signal
42:20 Recap 5-9
46:02 L10: Microprocessor control
49:08 Outro