Map Abbreviations (S)
| Term | Description |
| S | Service Area on Motorways Side Spur Square Stairs Steps Stile Stone Strand Street |
| S Br | Signal Bridge |
| S Gantry | Signal Gantry |
| S Sta | Signal Station |
| SA | Salvation Army |
| Sanatm | Sanatorium |
| SB | Signal Box |
| Sc | Scrub |
| Scat | Scattered (density) |
| Sch | School |
| Sd | Sound |
| SD | Side Strand Sun Dial |
| SL | Signal Light |
| Sl | Sluice |
| Smy | Smithy |
| SP | Signal Post Spur |
| Spr | Spring |
| Sq | Square |
| SQ | Square |
| SRS | Stairs |
| SS | Saints |
| SSlip | Single Slip |
| St | Saint Street |
| Std | Standard |
| STPS | Steps |
| StrS | Stairs |
| STS | Steps |
| Sun Sch | Sunday School |
