#	Federal Register
1	05/14/2019 - 1926.201(a) - 84:21416-21598 - Standards Improvement Project--Phase IV; Final Rule - PDF
2	10/04/2016 - 1926.201(a) - 81:68504-68685 - Standards Improvement Project-Phase IV; Proposed Rule - PDF
3	06/13/2013 - 1926.201(a) - 78:35559-35567 - Updating OSHA Standards Based on National Consensus Standards; Signage - PDF

#	Regulations
1	06/13/2013 - 1926.201 - Signaling.

#	Standard Interpretations
1	08/05/2009 - 1926.201(a) - Whether use of high-visibility warning garments by construction workers in highway work zones is required.
2	01/31/2006 - 1926.201(a) - Highway work zones and reflective/warning vests for the protection of off-duty police officers working as flaggers.
3	05/11/2004 - 1926.201(a) - Requirements for use of high-visibility warning garments by construction workers in highway work zones.
4	12/08/2003 - 1926.201(a) - Substitution of phosphorescent helmets for retroflective garments does not meet high-visibility clothing requirements for flaggers.
5	02/04/1991 - 1926.201(a) - Warning garments for flagmen at construction sites