Chapter 6E - MUTCD 2009 Edition - FHWA - Transportation
https://mutcd.fhwa.dot.gov/htm/2009/part6/part6e.htm
WEBThe flagger has an unobstructed view of the AFAD(s), and; The flagger has an unobstructed view of approaching traffic in both directions. Guidance: 15 When an AFAD is used, the advance warning signing should include a ROAD WORK AHEAD (W20-1) sign, a ONE LANE ROAD (W20-4) sign, and a BE PREPARED TO STOP (W3-4) sign. Standard:
DA: 81 PA: 81 MOZ Rank: 37