What does the MUTCD require for flagger visibility at night?

• A. Reflective or high-visibility clothing, proper lighting for on-site visibility, and conspicuous devices that drivers can see.
• B. Bright colors only
• C. Night-vision goggles for flaggers
• D. No special requirements

Answer: (A)

When flaggers are working at night, the goal is for drivers to notice and understand instructions quickly and clearly. The MUTCD requires three things to achieve this: reflective or high-visibility clothing so the flagger stands out under headlights, proper lighting at the work site to keep the flagger visible in the dark, and conspicuous devices that drivers can see to indicate the flagger’s position and signals. Together, these elements help prevent miscommunication and accidents in low-light conditions.

Relying on bright colors alone isn’t enough at night because there may be insufficient light for colors to pop; night-vision goggles aren’t a practical or standard requirement for flaggers; and saying there are no special requirements would ignore essential safety standards that protect both workers and motorists.