| Code Value | Definition |
|---|---|
| 1 | Non-Junction |
| 16 | Shared-Use Path Crossing |
| 17 | Acceleration/Deceleration Lane |
| 18 | Through Roadway |
| 19 | Other location within Interchange Area |
| 2 | Intersection |
| 20 | Entrance/Exit Ramp |
| 3 | Intersection-Related |
| 4 | Driveway Access |
| 5 | Entrance/Exit Ramp Related |
| 6 | Railway Grade Crossing |
| 7 | Crossover-Related |
| 8 | Driveway Access Related |
| 98 | Not Reported |
| 99 | Unknown |