Or. Admin. R. 437-007-1305
(3) During the initial attack on a wildland fire, when the fire and/or the fire suppression activity creates a hazardous condition for traffic and warning signs and/or flaggers are not controlling traffic, a vehicle with emergency flashing lights must be used to warn traffic.
NOTE: See Division 7 Subdivision F, 437-007-0510 Roads, Vehicles, Flagging and Flammables.
ORS 654.025(2) & 656.726(4)
ORS 654.001 - 654.295
OSHA 2-2005, f. 5-27-05, cert. ef. 6-1-05