Final Signal Flashcards
Normal Cab
Proceed at Maximum Authorized Speed
Limited Cab
Proceed at Limited Speed
Medium Cab
Proceed at Medium Speed.
Freight trains must operate prepared to stop at the next signal.
Restricted Cab
Proceed at Restricted Speed.
(Not a Signal)
Sixty Cab
Proceed not exceeding 60 MPH for passenger trains, and not exceeding 30 MPH for other trains.
Postive Stop
Stop.
Note: Aspect enforced by PTC.
Proceed Cab
Proceed governed by cab signal indication.
Absolute Block Signal
Proceed at Slow Speed within interlocking limits, MAS not exceeding 59 MPH outside of interlocking limits, and approaching the next interlocking signal prepared to stop.
Stop Signal
STOP.
Not Sign
Terminal Proceed
Proceed.
Terminal Approach
Proceed approaching the next signal prepared to stop.
Terminal Restricting
Proceed at Restricted Speed. (Signal)
Approach Restricting
Proceed, prepared to stop at the next signal. Trains exceeding Medium Speed must immediately reduce to that speed.
Note: Does not convey block or track information
Approach Block Limit
If authorized to occupy next block, proceed. If not authorized to enter next block, proceed prepared to stop at next Block Limit Signal.
Trains exceeding Medium Speed must immediately reduce to that speed.
Block Limit
Do not pass unless authorized to do so.
Note: For Temporary Block Limits, the station name may be omitted.
End of Block Sign
End Manual Block System rules; entering non-controlled track.
Approach Speed Limit Sign
Proceed, approaching the Speed Limit sign not exceeding the speed shown.
If two speeds are shown, the higher speed applies to passenger trains and the lower speed to all other trains and track cars
Diverting Approach Speed Limit Sign
Proceed; approach the Speed Limit sign, or interlocking where speed restriction on other track is in effect, not exceeding the speed shown unless it is determined that train will not be diverted onto affected track(s)
If two speeds are shown, the higher speed applies to passenger trains and the lower speed to all other trains and track cars.
Speed Limit Sign
Proceed not exceeding speed shown on Approach Speed Limit Sign or Diverting Approach Speed Limit Sign until the entire train has passed the Resume Speed Sign.
Resume Speed Sign
Resume speed after entire train has passed this sign.
Approach Permanent Speed Restriction Sign
Proceed prepared to operate at prescribed speed through permanent speed restriction.
This sign will be mounted on an overhead bridge or on a pole approximately 12 feet above the top of rail. If the same speed restriction apples to all tracks, one Approach Permanent Speed Restriction Sign may be used. If the speed restriction differs for any track, additional signs may be used.
Permanent Speed Restriction Sign
Proceed, not exceeding speed shown on Approach Permanent Speed Restriction Sign until the entire train has passed the restriction.
This sign will be mounted on an overhead bridge or on a pole 12 feet above the top rail.
Approach Sign
Proceed prepared to stop at the Working Limits Stop Sign; trains exceeding Medium Speed must immediately begin reduction to that speed.
Diverting Approach Sign
Unless it is determined that train will not be diverted onto affected track(s), proceed prepared to stop at the Working Limits Stop Sign; trains exceeding Medium Speed must immediately begin reduction to that speed.
Working Limits Stop Sign
Stop.
Then, after receiving permission from the employee in charge to pass the Working Limits Stop sign, trains will operate at Medium Speed unless a lower speed is directed.
Working Limits Resume Speed Sign
Resume speed after lead unit has passed this sign.
Stop Sign
Stop.
Not Signal
Whistle Post
Approach highway grade crossing for which Rule 4-C(2)c must be sounded.
Restricted Whistle Post
Approach private highway grade crossing for which Rule 4-C(2)c must be sounded between 0600 and 2100 hours.
Whistle Post Multiple Crossings
Approaching two or more highway grade crossings for which Rule 4-C(2)c must be sounded until the engine is clear of the last crossing.
ATC Mode Forward Sign
Engineer must operate ATC mode switch to the forward position.
Clear
Proceed.
(CP 75)
Limited Clear
Proceed; Limited Speed within interlocking limits.
Medium Clear
Proceed; Medium Speed within interlocking limits.
Medium Approach
Proceed at Medium speed prepared to stop at next signal.
Approach
Proceed prepared to stop at next signal. Trains exceeding Medium Speed must at once reduce to that speed.
Restricting
Proceed at Restricted Speed.
(CP 75)
Stop Signal
Stop.
(CP 75)
