Washington Administrative Code Title 479 - Transportation Improvement Board
Washington Administrative Code – Title 479: Transportation Improvement Board (TIB)
Overview:
Title 479 of the Washington Administrative Code (WAC) outlines the rules and procedures established by the Washington State Transportation Improvement Board (TIB). The TIB is an independent state agency that funds transportation infrastructure projects to enhance the movement of people and goods across the state—primarily in cities, counties, and urban areas.
The board distributes grant funding for street construction, maintenance, pedestrian and bicycle projects, and multimodal improvements, especially where local resources are limited.
Primary Objectives of the TIB:
Fund street and roadway improvements in urban and small city areas.
Promote complete streets, safety, and connectivity.
Ensure accountability and transparency in transportation project delivery.
Maintain data on project status, performance monitoring, and funding compliance.
Key Programs & Topics in WAC Title 479:
WAC 479-01 – Definitions and General Provisions
Provides key definitions used throughout the title.
Explains the board’s authority and administrative structure.
WAC 479-05 to 479-10 – Board Meetings, Bylaws, and Procedures
Details on how the board operates, meets, and adopts rules.
WAC 479-14 to 479-16 – Eligibility, Project Applications, and Approval
Rules for local jurisdictions to apply for funding.
Evaluation criteria for project selection.
Requirements for documentation and project readiness.
WAC 479-18 – Urban and Small City Projects
Focuses on Urban Arterial Program (UAP) and Small City Arterial Program (SCAP).
Covers project types like widening, resurfacing, sidewalks, and safety upgrades.
WAC 479-19 – Sidewalk Program
Rules for funding pedestrian infrastructure, especially near schools and transit routes.
WAC 479-20 – Complete Streets Award Program
Encourages local agencies to design streets that serve all users—pedestrians, bicyclists, transit users, and drivers.
Rewards cities for adopting complete streets ordinances.
WAC 479-25 – Project Reporting, Amendments, and Closeout
Requirements for project progress reporting and fund use.
Rules for extending timelines or modifying scope.
Closeout procedures and post-construction audits.
Legal Authority:
The TIB's authority stems from:
RCW 47.26 – Transportation Improvement Board and urban arterial trust account.
RCW 47.24 – Jurisdiction over city streets and county roads.
RCW 35.68 – Sidewalks, curbs, and gutters.
Other supporting laws related to state transportation funding.
Eligible Recipients:
Cities and towns (especially those under 5,000 population via SCAP).
Counties, for specific urban areas.
Public agencies with jurisdiction over transportation facilities.
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