Pennsylvania Railroad

Position Light Signal Rules-1956

RULE

INDICATION

NAME

 

A

AA

A1

B

280

Proceed, manual block clear. CLEAR- BLOCK    

281

Proceed CLEAR    

282

Proceed, approaching next signal at Medium Speed.

Note:Trains may proceed approaching next signal at not exceeding 45MPH at signals displaying a yellow triangle outlined in black.
APPROACH-MEDIUM    

283

Proceed, Medium Speed within interlocking limits.

Note:Trains may proceed at not exceeding 45MPH within interlocking limits, at signals displaying a yellow triangle outlined in black.
MEDIUM-CLEAR  

283A

Proceed at Medium Speed prepared to stop at next signal. Train exceeding Meduim Speed must at once reduce to that speed. MEDIUM-APPROACH    

284

Proceed approaching next signal at Slow Speed. Train exceeding Meduim Speed must at once reduce to that speed. APPROACH-SLOW    

285

Proceed prepared to stop at next signal. Train exceeding Meduim Speed must at once reduce to that speed. APPROACH    

285A

Train exceeding Meduim Speed must at once reduce to that speed. Where a facing switch is connected with the signal, approach that switch prepared to stop. Approach next signal prepared to stop. CAUTION    

287

Proceed, Slow Speed within interlocking limits. SLOW-CLEAR      

288

Proceed prepared to stop at next signal. Slow Speed within interlocking limits. SLOW-APPROACH

289

Block occupied; for passenger trains,Stop; for all other trains, proceed prepared to stop short of train or obstruction, but not exceeding 15 MPH. PERMISSIVE-BLOCK    

290

Proceed at Restricted Speed RESTRICTING

291

Stop, then proceed at Restricted Speed.

Note: Freight trains of 90 or more cars or having tonnage of 80 percent of more of the prescribed engine rating may proceed at Restricted Speed without stopping at the signals displaying a yellow disk which is shown the letter G in black. The engineman must be notified as to the tonnage and number of cars in the train before leaving the terminal and when consist is changed enroute.
STOP-AND-PROCEED  

292

Stop STOP SIGNAL

293

Limit of the Block.

Note: Yellow light to be placed next to track governed. Letters are name of block-station.
BLOCK-LIMIT      

293A

Proceed prepared to stop at next block-limit signal. Train exceeding Meduim Speed must at once reduce to that speed.

Note: Will not apply to trains authorized to pass the block-limit station as though clear-block signal displayed.
APPROACH BLOCK-LIMIT      

294

Orders.

Note: By day the yellow lamp is not displayed. When displayed in the direction of an approaching train or trains, must not be passed by any such trian on any track except as provided by Rule 221.
TRAIN-ORDER      

295

Switch closed, proceed. CLEAR DISTANT SWITCH SIGNAL

     

296

Switch open. Approach all switches connected with the signal prepared to stop short of the switch. CAUTION DISTANT SWITCH SIGNAL

     

 

  SPEED SIGN      

A and AA: Mast or gantry mounted signals.
AA: Lines West signals.
A1: Pedestal signals.
B: Ground mounted dwarf signals.

Copyright © 1998, 1999, Henry J Sundermeyer