| Variables | Type | Codes/Range | Number | Percentage |
| Crash Frequency | Count | 1 | 314 | 74.94% |
| 2 | 72 | 17.18% | ||
| 3 | 23 | 5.49% | ||
| 4 | 6 | 1.19% | ||
| 5 | 4 | 0.95 | ||
| 6 | 1 | 0.25% | ||
| No. of lanes on Exit Ramp | 1 | 281 | 67.06% | |
| 2 | 139 | 33.17% | ||
| Exit Ramp AADT | Continuous | 200 - 42,500 | 419 | 100% |
| Ramp Length (mi) | 0.02 - 2.00 | 419 | 100% | |
| Ramp Speed Limit (mph) | 20 - 55 | 419 | 100% | |
| Shoulder Width (ft) | 0 - 16 | 419 | 100% | |
| Directional Exit | Dummy | 1 (yes) | 71 | 16.95% |
| 0 (no) | 348 | 83.05% | ||
| Loop Exit | 1 (yes) | 85 | 20.29% | |
| 0 (no) | 334 | 79.71% | ||
| Outer Connection Exit | 1 (yes) | 85 | 20.29% | |
| 0 (no) | 334 | 79.71% | ||
| Road Surface Type | Ordinary | 0 (Slag/Gravel/Stone) | 8 | 1.91% |
| 1 (Blacktop) | 367 | 87.59% | ||
| 2 (Concrete) | 44 | 10.50% | ||
| Shoulder Type | 1 (Unpaved) | 41 | 9.76% | |
| 2 (Paved) | 335 | 79.95% | ||
| 3 (Curb) | 43 | 10.26% |