Paper Signals
The Pittsburgh Mainline has implemented Paper Signals as a means of track authority on the mainline. This was done based off a well-done article by Bruce Carpenter in the April 2017 Model Railroader. Please see below for various documents pertaining to this information.
Handout for Paper Signal Presentation
| paper_signal_operation.docx |
Abbreviated Chart of PRR Aspects
| signal_chart.xlsx |
Chart of Signal Progressions
| signal_progression_chart.xlsx |
Signals
The following documents are PDFs of the CAD drawings of PRR Position Light Signals used for all the paper signals on the PML. Each PDF is a full sheet of one signal aspect.
281 Clear
| 281.pdf |
282 Approach Medium
| 282.pdf |
283 Medium Clear
| 283.pdf |
285 Approach
| 285.pdf |
286 Medium Approach
| 286.pdf |
290 Restricting
| 290.pdf |
292 Stop
| 292.pdf |
B&O Color Position Light Signals
First set of B&O Aspects - Provided by Keith Devault
| bo_signals_9.jpg |
Second Set of B&O Aspects - Provided by Keith Devault
| bosignal1.jpg |
Meaning chart - Provided by Keith Devault
| bo_signals.pdf |
B&O Train Orders
B&O Form 19 Train Orders for Crews
| b_o_form_19.docx |
B&O Order Book for Dispatcher
| b_o_order_book.docx |
