A Motorist Should Know That He/She Is Entering a Work Zone Because Of: A.  Diamond-Shape, Orange Work Zone Signs B.  The Presence of a “Flagger” C.  A Sign with a Flashing Arrow Panel D.  A, B and C The Correct Answer is: - D. A, B and C     Because of the various hazards associated with building sites, security signs are critical in reducing the likelihood of accidents and injuries. The correct answer is D, because all of the options above can be used to notify a motorist when they reach a work zone. All means are... More