16 CFR Part 1512, Table 2
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
| Observation angle | Front, rear, and side reflectors; entrance angle in degrees |
|---|---|
| 30 left/right | 40 left/right | 50 left/right |
| 0.2 | 8.0 | 7.0 | 6.0 |
| 1.5 | 0.12 | 0.12 | .12 |
1 Amber values shall be 5⁄8 × clear values. Red values shall be 1⁄4 × clear values.