National Standards

MUTCD Chapter 61

Download Standards MUTCD Chapter 61

ANSI / ISEA 107-2004 Summary

Class 1
For workers in occupations that permit full and undivided attention to approaching traffic, when work backgrounds are not complex, or when pedestrian workers are separated from traffic.

(ie. Parking lot attendants, shopping cart retrievers, warehouse workers, delivery vehicle drivers)

Minimum Requirements Class 1
Background Fabric: Retroreflective Material
217 square inches

Class 2
For workers who require greater visibility under inclement weather conditions, when work backgrounds are complex, or when tasks divert attention from approaching vehicle traffic.

(ie. Roadway construction workers, ultility workers, survey crews, railroad workers, school crossing guards, airport baggage handlers, law enforcement personel, accident site personel, emergency response personel, high volume parking and toll-gate personel)

Minimum Requirements Class 2
Background Fabric: Retroreflective Material
775 square inches

Class 3
For workers and vehicle operators whose high task loads place them in danger, when wearer must be conspicuous through the full range of body motions at a minimum 1,280 feet, or when wearer must be identifiable as a person.

(ie. Roadway construction workers, utility workers, survey crews, emergency service personel)

Minimum Requirements Class 3
Background Fabric: Retroreflective Material
1240 square inches