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Traffic Design
Traffic Design
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Signing
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Signing
Standard Specifications
Standard Specifications 2010
(pdf 6mb)
Division 8-21 Permanent Signing
Division 9-28 Signing Materials and Fabrication
Amendments to Standard Specifications and GSP's 2006
Amendments to Standard Specifications and General Special Provisions (GSP's)
General Special Provisions (GSP's)
Standard Plans
Standard Plans
Section G: Signs and Sign Supports
Design Manual
Design Policy - Design Manual
(pdf 26mb)
Design Manual Individual Chapters
Traffic Manual
Traffic Manual
Manual on Uniform Traffic Control Devices (MUTCD)
MUTCD
Washington State Modifications
Sign Fabrication Manual
Wind Load Charts for Sign Posts
Wind Load Charts for Sign Posts
Timber Posts
Wide Flange "H-Beam" Steel Posts
Perforated Square Steel Tube Posts
Laminated Wood Box Posts
Round Steel Pipe on PL, PL-T, and PL-U Supports