Flagging Safety

Target Audience
Expected Duration
Lesson Objectives
Course Number

Traffic control is a critical aspect of worker and driver safety on road construction projects. Flaggers need to be knowledgeable about the standards and guidelines established by the Federal Highway Administration's Manual on Uniform Traffic Control Devices. These include general guidelines for flagging, appropriate clothing requirements, and the standards for the signs, barriers and lights, and other devices used in your work. You also need to know where to position yourself for optimum safety, how to judge traffic speed and congestion, and regulate traffic accordingly. This course was developed with subject matter support provided by EnSafe Inc., a global professional services company focusing on engineering, environment, health and safety, and information technology.

Target Audience
Traffic control flaggers

Expected Duration (hours)

Lesson Objectives

Flagging Safety

  • identify the qualifications and professional conduct expected of flaggers
  • identify the type of clothing and safety apparel that should be worn by flaggers
  • identify two types of hand-signaling devices flaggers use
  • identify the types and uses of various barriers, signs and lights used at work sites
  • identify rules of thumb for flagger positioning and location
  • determine how to handle a failure to stop or sign violation on a work site
  • recognize how rules related to spacing vehicular traffic are applied on a work site
  • recognize how to communicate messages with traffic on a work site
  • communicate with other flaggers on a work site
  • determine the required length of a taper according to the type of taper and the road on which it is being used
  • match the types of tapers used to channel traffic on a road construction site, with their descriptions
  • identify guidelines associated with flagging in special cases
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