d988464e_ng_and_Guides___FHWA_Work_Zone_es_Documents__Listed_by_Title__Description
[Title] Work Zone Speed Limit Guidelines View document [Format] Online Guidebook [Length] 25 pages [Provider] Minnesota DOT [Cost] Free [Target Audience] Those who work in or near traffic control work areas [Description] 
Guidebook to improve use of speed limits to control vehicle speeds through street and highway work zones. Proper and uniform application of these speed limits should improve the safety of the highway worker and the traveling public.
Traffic Control in Work Zones - Work Zone Training and Guides - FHWA Work Zone
Description