OSHA Training Center (map)
The training and instructions include the following:
•  flagger equipment which must be used
•  layout of the work zone and flagging station
•  methods to signal traffic to stop, proceed or slow down
•  methods of one-way traffic control
•  trainee demonstration of proper flagging methodology and operations
•  emergency vehicles traveling through the work zone
•  handling emergency situations
•  methods of dealing with hostile drivers
•  flagging procedures when a single flagger is used (when applicable)