NS Signal Indications Flashcards
Stop
Stop
slow approach
Proceed prepared to stop at next signal. slow speed applies until entire train clears all interlocking, controlled points or spring switches, then medium speed applies.
restricting
Proceed at restricted speed until the entire train has cleared all interlocking, controlled point and spring switches (if signal is an interlocking or controlled point signal) and the leading end has: 1. Passed a more favorable signal, or 2. entered Rule 171 territory
approach slow
Proceed approaching the next signal a Slow Speed. Trains exceeding Medium Speed must at once reduce to that speed.
approach
Proceed prepared to stop at the next signal. Trains exceeding Medium Speed must at once reduce to that speed.
Medium Approach
Proceed prepared to stop at the next signal. Trains exceeding Medium speed must begin reduction to Medium Speed as soon as the Medium Approach signal is clearly visible.
Slow Clear
Proceed at Slow Speed until entire train clears all interlocking, controlled points or spring switches, then proceed at at authorized speed.
Approach Medium
Proceed approaching the next signal at Medium Speed.
Advance Approach.
Proceed prepared to stop at the second signal. Trains exceeding Limited Speed must begin reduction to Limited Speed as soon as the engine passes the Advance Approach signal.
Medium Clear
Proceed at Medium Speed until the entire train clears all interlocking, controlled point or spring switches, then proceed at authorized speed.
Medium Approach Medium
Proceed at Medium Speed until entire train clears all interlocking, controlled point or spring switches, then approach the next signal at Medium Speed. Trains exceeding Medium Speed must begin reduction to Medium Speed as soon as the Medium Approach Medium signal is clearly visible.
Clear
Proceed at authorized speed.
Approach Limited
Proceed approaching the next signal at Limited Speed.
Limited Clear
Proceed at Limited Speed until entire trains clears all interlocking, controlled point or spring switches, then proceed at authorized speed.