| Class | Function | Type | Number | Options |
|---|---|---|---|---|
| S – System | T – Transition | B – Bridge Rail-to-Guardrail | 01 – 99 | a – z |
| C – Cable Barrier-to-Guardrail | ||||
| G – Guardrail-to-Guardrail | ||||
| R – Crash Cushion-to-Guardrail |
| Class | Function | Type | Number | Options |
|---|---|---|---|---|
| S – System | T – Transition | B – Bridge Rail-to-Guardrail | 01 – 99 | a – z |
| C – Cable Barrier-to-Guardrail | ||||
| G – Guardrail-to-Guardrail | ||||
| R – Crash Cushion-to-Guardrail |