| # | Letters of Interpretation |
|---|---|
| 1 | - 1926.200(g)(2) - Whether use of high-visibility warning garments by construction workers in highway work zones is required. |
| 2 | - 1926.200(g)(2) - Highway work zones and reflective/warning vests for the protection of off-duty police officers working as flaggers. |
| 3 | - 1926.200(g)(2) - Substitution of phosphorescent helmets for retroflective garments does not meet high-visibility clothing requirements for flaggers. |