Transportation Improvement Program (TIP)

• Priority 3 under the 2025 – 2030 TIP
• Costs will vary per project; about $100,000 per year
• Funding also includes $957,00 from the 2022 City Safety Grant 
• Combines the Pedestrian Crossing and International Boulevard Safety Improvement projects into a one program
• Gives flexibility to use funds for traffic safety projects through the Local Road Safety Plan or other projects

Will improve:

• Signal coordination and management
• Transit signal priority
• Roadway monitoring and response
• ITS device management
• Data collection

Could include:

• Communications equipment
• Traffic signal equipment
• Video surveillance and monitoring
• Video detection
• Satellite traffic management center

• Maintains and preserves roads through repairs, crack sealing, and overlays
• We usually plan an overlay project each year 
• Pavement moratorium map shows pavement projects within the past 5 years. 
• Any work on roads must follow requirements for right-of-way restoration under SeaTac Municipal Code (SMC) 11.10.260

Oversees major employers that try to reduce the number of employees driving to work alone.

• Will begin after the State Route 509 Stage 1b and Federal Way Link extension projects
• Updates the South 200th Street Corridor Plan and begins design
• Considers Level of Traffic Stress (LTS) 2 or better bike lanes on or parallel to the corridor

• Together with Washington State Department of Transportation, we’ll study Complete Street design and operations
• Considers speed reduction, space reallocation, and LTS 2 or better bike facilities along the corridor within City limits

For details on this project, visit the Washington State Department of Transportation (WSDOT) SR 509 Completion Project page.

• Part of the SR 509 Extension Project
• Installs sidewalks, street lighting, and utility infrastructure
• Keeps traffic moving through the neighborhood once SR 509 cuts off South 208th Street

For details on this project, visit Sound Transit’s Stride Bus Rapid Transit page.

For details on this project, visit Sound Transit’s Tacoma Dome Link Extension page.

• Part of the improvements from the SR 518 Study
• Moves the westbound SR 518 off-ramp from SR 99 to 32nd Avenue South
• Changes the design of the SR 518 interchange with International Boulevard and South 154th Street so it aligns with the South 154th Street Station Area Plan
• Changes the SR 518/SR 99 westbound off-ramp to connect directly with 32nd Avenue South

• Widens South 216th Street to provide more vehicle and bike lanes, curbs, gutters, and sidewalks
• Coordinates with WSDOT's SR 509 project to replace the I-5 bridge and connect it to the new lane layout

For details on this project, visit WSDOT’s SR 509 Completion Project page.

• Converts high-occupancy vehicle (HOV) lanes to high-occupancy toll (HOT) lanes
• Creates a second HOT lane using road shoulders

• Builds a limited-access road to connect the south end of the SeaTac Airport to the new SR 509 extension

• Partnership with the Port of Seattle
• Studies the effect on City streets if the South Access Expressway isn’t built

• Adds bike lanes, curbs, gutters, drainage, and sidewalks
• Adds a lane approaching Marine View Drive and left turn pockets where practical

• Improves the intersection
• Widens Des Moines Memorial Drive South to add left turn pockets at South 208th Street

For details on this project, visit our Airport Station Area Pedestrian Improvement Project page.

For details on this project, visit our 34th Avenue South Phase 2 Project page.

For details on this project, visit our South 204th Street improvements page.

• Priority 8 under the 2025 – 2030 TIP
• Estimated cost of $17.6 million
• Design is planned for 2029, with construction starting in 2029 or 2030
• Rebuilds existing roads
• Builds sidewalks, bicycle and shared lanes, drainage, and street parking (where feasible) 
• Improves vehicle and pedestrian access to support of local redevelopment
• Adds a traffic signal at the intersection of 32nd Avenue South and South 152nd Street (only if WSDOT changes the SR 518 westbound off-ramp to connect with South 154th Street)

• Priority 9 under the 2025 – 2030 TIP
• Estimated cost of $9.917 million
• Design is planned to start in 2028, with construction planned for 2030
• Rebuilds and widens Military Road South
• Provides drainage, bicycle lanes, and pedestrian facilities
• Upgrades existing signals, channelization, street lighting, and the continuous left turn lane
• Moves overhead utilities underground
• Changes the section between 34th Avenue South and Military Road South from four lanes to three with a two-way left turn lane, bicycle lanes, and a sidewalk on the north side  
• To align with the Military Road South 5-Way Intersection Study, builds a roundabout at the intersection of Military Road South/South 164th Street/42nd Avenue South
• Includes project ST-N39, which will build a separate bikeway and improved pedestrian facilities on 42nd Avenue South

• Priority 15 under the 2025 – 2030 TIP
• Estimated costs of $200,000
• Starts in 2030
• Builds a new three-lane road with sidewalks with access to the Angle Lake Station Area
• Adds a roundabout at the intersection with 28th Avenue South. 
• May add street parking

• Will begin after the State Route 509 Stage 1b and Federal Way Link extension projects
• Updates the South 200th Street Corridor Plan and begins design
• Adds Level of Traffic Stress (LTS) 2 or better bike lanes on or parallel to the corridor

• Priority 12 under the 2025 – 2030 TIP
• Estimated cost of $650,000, to
• Starts in 2029
• Rebuilds roads
• Adds drainage, curbs, gutters, shared lane markings, and sidewalks 
• Moves overhead utilities underground

• Priority 12 under the 2025 – 2030 TIP
• Estimated cost of $350,000
• Starts in 2030
• Rebuilds the road with upgraded lanes, sidewalks, and a separate bike lane

• Priority 10 under the 2025 – 2030 TIP
• Estimated cost of $1.3 million
• Study is planned for 2029, and project design is planned for 2030
• Rebuilds and widens the Military Road South from South 128th Street to South 150th Street
• Adds drainage, bicycle lanes, and pedestrian facilities 
• Builds left turn lanes at busy intersections

• Priority 14 under the 2025 – 2030 TIP
• Estimated cost of $600,000
• Starts in 2030
• Builds new pedestrian facilities
• Includes project ST-N53, which will build a separate bikeway and pedestrian facility on South 152nd from 24th Avenue South to 29th Lane South

• Upgrades bike facilities to LTS 2 or better
• Adds a pedestrian crossing at 12th Place South

• Builds pedestrian facilities on both sides of the street

• Adds bike facilities that are LTS 2 or better

• Adds bike facilities that are LTS 2 or better

• Improves busy bike facilities
• Adds bike facilities that are LTS 2 or better on City streets (if South Airport Expressway isn’t built)

• Adds bike facilities that are LTS 2 or better

• Adds bike facilities that are LTS 2 or better
• Improves busy pedestrian crossings
• Adds a parallel route to Military Road South

• Adds bike facilities that are LTS 2 or better
• Adds pedestrian facilities on both sides of the street

• Adds bike facilities that are LTS 2 or better

• Adds bike facilities that are LTS 2 or better
• Makes intersections to safer and more accessible for people with disabilities

• Builds pedestrian facilities on both sides of the street

• Adds bike facilities that are LTS 2 or better
• Adds a parallel route to Military Road South (project 12)

• Adds bike facilities that are LTS 2 or better
• Adds a parallel route to Military Road South (project 12)

• Adds bike facilities that are LTS 2 or better
• Adds a parallel route to South 176th Street (project 19)

• Adds bike facilities that are LTS 2 or better
• Adds a parallel route to International Boulevard

• Adds bike facilities that are LTS 2 or better
• Adds a parallel route to International Boulevard (project 27)

• Builds pedestrian facilities on both sides of the street
• Improves the pedestrian crossing at Military Road South

• Adds bike facilities that are LTS 2 or better
• Makes intersections safer and more accessible

• Builds pedestrian facilities on both sides of the street

• Builds pedestrian facilities on both sides of the street

• Adds a traffic signal at the 32nd Avenue South/South 154th Street interchange with the SR 518/SR 99 westbound off-ramp 
• Aligns with the South 154th Street Station Area subarea plan
• Depends on whether WSDOT will change the SR 518/SR 99 westbound off-ramp to connect with 32nd Avenue South