5 CFR Part 591, Appendix B
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
| Round trip distance in excess of 2 hours | Degree A commuting conditions | Degree B commuting conditions | Degree C commuting conditions |
|---|---|---|---|
| up to 15 minutes | $0.50 | $0.63 | $0.75 |
| 16 to 30 | 1 | 1.25 | 1.5 |
| 31 to 45 | 1.5 | 1.88 | 2.25 |
| 46 to 60 | 2 | 2.5 | 3 |
| 61 to 75 | 2.5 | 3.13 | 3.75 |
| 76 to 90 | 3 | 3.75 | 4.5 |
| 91 to 105 | 3.5 | 4.38 | 5.25 |
| 106 to 120 | 4 | 5 | 6 |
| 121 to 135 | 4.5 | 5.63 | 6.75 |
| 136 to 150 | 5 | 6.25 | 7.5 |
| 151 to 165 | 5.5 | 6.88 | 8.25 |
| 166 to 180 | 6 | 8.13 | 9 |
Good paved roads; climatic conditions, in relation to type and quality of vehicle, cause minimal discomfort during trip.
Roads typically fair, but may be good for part of distance and possibly unpaved for short distances; climatic conditions during part of a season, in relation to type and quality of vehicle, result in moderate discomfort during trip.
Fair to poor roads, unpaved for part of distance, climatic conditions during most of a season, in combination with such factors as type and quality of vehicle and terrain, result in unusual discomfort during trip.