| Abbreviation | Definition |
|---|---|
| SRS | Secondary Restraint System |
| SRS | Supplemental Restraint System |
| SRT | Scarborough Rapid Transit |
| SRT | Super Road Train |
| SRTA | Shasta Regional Transportation Agency |
| SRTO | Small Road Transport Operators |
| SRV | Sport Recreation Vehicle |
| SRV | Stationary Roadway Vehicle |
| SRV | Surface Recon Vehicles |
| SRV | Surveillance Restoral Vehicle |
| SRVD | Subaru Rear Vehicle Detection |
| SRVD | Subaru Rear/Side Vehicle Detection |
| SRW | Single Rear Wheels |
| SS | Semi Slick |
| SS | Smart Suspension |
| SS | Stick Steering |
| SS | Stop Sign |
| SS | Super Sensor |
| SS | Supercharged Silverado |
| SSALF | Simplified Short Approach Light System With Sequenced Flashing Lights |