Signing and flagging standards for short-term work zones, 1990

This archived document is maintained by the Oregon State Library as part of the Oregon Documents Depository Program.  It is for informational purposes and may not be suitable for legal purposes., "(6-90)"--Back cover, "(Ref. OAR 734-20-005), (Ref. ANSI D6.1e-1989).", "These standards were adopted by the Oregon Transportation Commission on January 23, 1990, as the standard for use on the state highway system.", Title from cover, Mode of access: Internet from the Oregon Government Publications Collection.
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This archived document is maintained by the State Library of Oregon as part of the Oregon Documents Depository Program. It is for informational purposes and may not be suitable for legal purposes.