Rule Number | Signal Aspect | Name | Indication |
| C-281 |  | CLEAR | Proceed |
| C-281-B |  | APPROACH LIMITED | Proceed, approaching next signal not exceeding Limited Speed |
| C-281-C |  | LIMITED CLEAR | Limited Speed through turnouts, crossovers, sidings and over poweroperated switches; then proceed |
| C-281-D |  | LIMITED APPROACH | Limited Speed through turnouts, crossovers, sidings, and over power-operated switches; the proceed prepared to stop at the next signal |
| C-282 |  | APPROACH MEDIUM | Proceed, approaching next signal not exceeding Medium Speed |
| C-283 |  | MEDIUM CLEAR | Medium Speed through turnouts, crossovers, sidings and over power-operated switches; then proceed |
| C-283-A |  | MEDIUM APPROACH MEDIUM | Medium Speed through turnouts, crossovers, sidings and over power-operated switches; then proceed approaching next signal not exceeding Medium Speed |
| C-283-B |  | MEDIUM APPROACH SLOW | Medium Speed through turnouts, crossovers, sidings and over power-operated switches; then proceed approaching next signal not exceeding Slow Speed |
| C-284 |  | APPROACH SLOW | Proceed, approaching next signal not exceeding Slow Speed |
| C-285 |  | APPROACH | Proceed prepared to stop at the next signal. Trains exceeding medium spped must immediately begin reduction to medium speed as soon as the engines passes the Approach Signal. |
| C-285-A |  | DISTANT SIGNAL | Approach next signal prepared to stop. |
| C-286 |  | MEDIUM APPROACH | Medium Speed through turnouts, crossovers, sidings and over power-operated switches; then proceed prepared to stop at next signal |
| C-287 |  | SLOW CLEAR | Slow Speed through turnouts, crossovers, sidings and over power-operated switches; then proceed |
| C-287-A |  | SLOW APPROACH SLOW | Slow Speed through turnouts, crossovers, sidings and over power-operated switches; then proceed approaching next signal not exceeding Slow Speed |
| C-288 |  | SLOW APPROACH | Slow Speed through turnouts, crossovers, sidings and over power-operated switches; then proceed prepared to stop at next signal |
| C-290 |  | RESTRICTING | Proceed at Restricted Speed |
| C-291 |  | STOP AND PROCEED | STOP, Then Proceed at Restricted Speed |
| C-292 |  | STOP | Stop |
| C-295 |  | APP MARKER | Proceed Approaching next signal as authorized by the aspect displayed. If signal is dark, proceed prepared to stop at next signal until it can be plainly seen that indication of next signal allows train to proceed |
| C-298 |  | GRADE | Proceed at Restricted Speed |