GRADED A+ 2025/2026
How long flagger certification is valid - 3 years
Red Regulatory Sign - Stop or prohibition
White or Black signs - Regulation
Yellow Warning Sign - General Warning
Blue Guide Sign - Motorist Services Guidance
Fluorescent Pink Warning Sign - Incident Management
Fluorescent Yellow-Green Warning Sign - Pedestrian/Bicycle/Playground/School
Warning
Green Guide Sign - Movements permitted, direction guidance
Brown Guide Sign - Recreational and Cultural Interest
For construction zones, what is the last sign to be setup. - End Road Work
How far away from work space shall the END ROAD WORK be setup? - 500 ft
The purpose of this is to divert traffic from its normal path in order to safely guide
motorists around a work site. - Channelization
The (5) specific tapers - -Merging -Lane-shift -Shoulder -Two-Way traffic -Downstream
(7) Benefits of proper flagging - -Reduce accidents -Minimize the potential for injury to
Comcast employees and the public -Reduce damage to public and private property -
Minimize the possibility of claims and litigation arising from work zone accidents -
Reduce confusion to motorists -Expidite traffic flow -Improve public image
Rule Number One for flaggers rules of conduct - Always carry your flagger certification
card while on the job
The percentage rear-end collisions account for in accidents within a work zone - 40%
Percentage of traffic fatalities involving an intoxicated or alcohol-impaired driver - 45 %
The reason bridges and overpasses must never be flagged - No predetermined escape
route for flagging
, Signs of Heat exhaustion - Pale, usually sweaty skin, nausea and weakness
Signs of Heat Stroke - Red, hot, usually dry skin, and altered mental status
Signs of Hypothermia - Uncontrollable shivering, pale skin, altered mental state (no
shivering in extreme late stage)
Signs of frost bite - Skin may appear white, waxy and numb
What is table 6E-1 used for - Buffer Space for Work Zones
An area that seperates road users from the work area or an unsafe area - Buffer spaces
Guidline used for determining following distance in good conditions - The Three to Four
Second Rule
(5) Conditions under which extra time should be added to the 3 to 4 second rule - -At
night -When raining -When towing -When conditions are icy or snowing -When being
tailgated
The (4) areas of a traffic control zone - -Advanced Warning Area -Transition Area -
Activity Area -Termination Area
Gives first indication to a road user that there is a potential hazard ahead - Advanced
Warning Area
Where road users are redirected out of thier normal path - Transitition Area
Location where the work takes place in traffic control zone - Activity Area
Used to return road users to thier normal path - Termination Area
The (3) categories of road signs - -Regulatory -Warning -Guide
-Gives notice to road and traffic laws or regulations. These signs impose legal
obligations and/or restrictions on all traffic -Generally rectangular (long verticall) -Black
lettering, white background - Regulatory Sign
-Gives notice to road users of a situation that might not be readily apparent -Genrally
diamond shape (48" X 48") -Temporary signs are orange with black lettering -
Permanent signs are yellow with black lettering - Warning Signs
-Show route destinations, destinations, directions, distances, services, points of interest,
or other geographical information -Rectangular shape (long horizontal) -Temporary
signs are orange with black lettering -Permanent signs are green with white lettering -
Guide Signs