| Abbreviation | Definition |
|---|---|
| SFP | Super Fire Pro |
| SFRTA | South Florida Regional Transportation Authority |
| SFST | Standardized Field Sobriety Test |
| SFTA | Strategic Freight Transportation Analysis |
| SG | Ship And Goods |
| SG | Solid Gear |
| SG | Spruce Goose |
| SGRP | Seating Reference Point |
| SGS | Second Gear Start |
| SGT | Saint-Germain Transport |
| SGV | Self Guided Vehicle |
| SGV | Small Goods Vehicle |
| SH | Sander Houweling |
| SH | Special Handling |
| SH | Sport Handling |
| SH | State Highways |
| SH | Super Handling |
| SHA | State Highway Agency |
| SHARP | Safety Helmet Assessment and Rating Programme |
| SHB | Short-Haul Ban |