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Traffic Design Resources
WSDOT Publications
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Traffic Design Manuals
go to the
Traffic Design Page
Construction Manual
(pdf 11mb)
Engineering Publications
Maintenance Manual
(pdf 13mb)
Plans Preparation Manual
(pdf 22mb)
Qualified Products List (QPL)
Roadside Manual
(pdf 6mb)
WSDOT Resources
Bridge and Structures Office
State Route Web (SR Web)
WSDOT Acronyms
Caltrans Transportation Electrical Equipment Specifications - TEES
Policy & Directives
D51-30
(Contracts for Highway Maintenance and Construction Activities when administered by district maintenance) pdf 60kb
E1012.1
(Delegations of Authority to approve certain department documents) pdf 168kb
Federal & State
Code of Federal Regulations
FHWA Washington Division
FHWA IP-78-16
(pdf 2mb) - historical document-for reference only
FHWA IP-78-228
(pdf 700kb) - historical document-for reference only
NOAA NWS