bfbdbb96_ket_Guide___WorkZoneSafety_org__Activities
[Task] Arrive Early and Leave Late ("15-minute rule") [Activities] 
Be present when the traffic control devices are being installed or removed Arrive at least 15 minutes before devices are installed Leave 15 minutes after devices are removed
Safe and Effective Use of Law Enforcement Personnel in Highway Work Zones: Pocket Guide | WorkZoneSafety.org
Activities