d988464e_ng_and_Guides___FHWA_Work_Zone_es_Documents__Listed_by_Title__Description
[Title] Guidance on the Use of Automated Flagger Assistance Devices View document [Format] Online [Length] Online [Provider] ATSSA [Cost] Free [Target Audience] Contractors, field personnel, state DOT construction engineers, inspectors, policy-makers, temporary traffic control designers, field level staff who set up work zones. [Description] 
Outlines the use of Automated Flagging Assistance Devices (AFAD), mechanically operated temporary traffic control devices used to assist flaggers, and provides information on scenarios for determining when to use AFADs; selecting an AFAD, which may include determining the cost/benefit of using such devices; addressing safety concerns or limitations; and making necessary adjustments when using AFADs.
Traffic Control in Work Zones - Work Zone Training and Guides - FHWA Work Zone
Description