ANSI/ISEA 107-2004

• Class 1 or Class 2 apparel.
• Traffic speeds less than 25 miles per hour.
• Workers have undivided attention to oncoming traffic.
• A large amount of distance between workers and traffic.

Parking lot attendees, delivery drivers, sidewalk construction workers, warehouse workers.

ANSI/ISEA 107-2004

• Create an overall ANSI Class 3 level ensemble when worn with a Class 2 or 3 vest, shirt, or jacket.

• ANSI/ISEA 107-2004 Standard
• ANSI/ISEA 207-2006 Standard
• Federal 23 CFR 634 Standard
• Proposed MUTCD Revisions
• Department of Transportation Federal Register.

ANSI/ISEA 107-2004

• Class 2 or Class 3 apparel.
  
• Traffic speeds exceed Performance
  Class 1.
  
• Workers are busy with tasks that draw their attention away from oncoming traffic.
  
• Limited visibility caused by weather conditions, or complex visual backgrounds.
  
• Work takes place close to moving traffic.

Survey crews, road construction crews, utility workers, airport ground crews, crossing guards, emergency response personnel.

ANSI/ISEA 107-2004

• Class 3 apparel, or Class 2 in some situations.
  
• Traffic speeds are significantly high.
  
• Dangerous work situations that include reduced sight distances, complex visual backgrounds, or high task loads.
  
• Workers must be visible through a full range of body motions at a minimum of 1280 feet.

Highway construction crews, flag crews, survey crews, utility workers, emergency response personnel.

ANSI 207-2006

• Applies to police officers and other public safety personnel.
• Shorter vest size allows for easy access to belt-mounted equipment such as radios, handcuffs, pepper spray, and guns.
  
• Retroreflective material requirements are the same for both ANSI 207 and ANSI 107 Class 2 vests.

23 CFR 634

• Requires that emergency responders in the right-of-way on a federal highway wear ANSI Class 2 or 3 apparel.
• Firefighters or others exposed to flame or heat can wear retroreflective turnout gear that is NFPA approved.