6 Year Transportation Improvement Plan (TIP) 2026-2031

The City of SeaTac, along with all cities in the State of Washington, is required to adopt a minimum six year Transportation Plan by July 1st of each year.

SeaTac Adopts Complete Streets Ordinance

Policy and approach for design & implementation of transportation projects.

Des Moines Memorial Drive South Corridor Plan

Corridor management plan with rehabilitation and enhancement guidelines.

2021 Pavement Management Analysis Report

Pavement Management analysis report from June 2021

Pavement Overlays on Public Roads Map

Military Road 5-Way Intersection Study

The City of SeaTac is studying the intersection at Military Road South, South 164th Street, and 42nd Avenue South to determine a configuration that will improve mobility and safety

South 200th Street Corridor Study

Determine the highest and best configuration of the South 200th Street corridor based on current usages demands, safety concerns, future active transportation (pedestrian and bicycle) demand,