Flaggers
Who can be a flagger?
Only employees who have been trained.
Mandatory sign solors
What are black and orange?
Standards are italized
What is a guidance or a recommendation?
Used when the number of lanes are reduced
What is a merging taper?
360 feet
What is the buffer space at 45mph?
May be used in emergency situations
What are red flags?
Removed or covered
What is when work is not happening?
Area where the wok is taking place
What is the activity area?
50/100
What is the min/max for downstream and flagger tappers?
Spaced appx. 100 feet behind the work vehicle
What is a shadow vehicle?
What class high-visibility is required?
Class 2 and must meet ANSI/ISEA 107-2004 standards
350 feet
What is distance between signs in Urban (more than 40 mph)
Standards are mandatory
What is bold text?
Area to warn road users of upcoming work
What is the advanced warning area?
500 feet
What is the recommended distance between signs in a rural area?
18" x 18"
What are the dimensions of the stop/slow paddle?
100 feet
What is distance between signs in Urban (25mph or less).
Two panels
What is a type 2 barricade?
should be performed during off-peak hours
What is mobile operations?
245 Feet
What is the recommended distance of a merging taper at 35mph?
Area to escape to
What is a place of refuge?
Engineering Judgment
What is used if distances are not exact?
Specific to California
What is blue text?
Not always required
What is a downstream taper?
Shifting taper at 55mph
What is 330 feet?