Project Information

Bid Title

SR 518, Tukwila International Boulevard Station (TIBS) Bus Rapid Transit Project

Issuing Agency

State Government of Washington

Location

Washington

Published Date

Mar 3, 2025

Closing Date

Sep 22, 2025

Government Level

State & Local

Status

Closed

Ref. #

XE3492

Original Source

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Project Description

• Contract

SR 518, Tukwila International Boulevard Station (TIBS) Bus Rapid Transit Project

Contract summary

The SR 518, Tukwila International Boulevard Station (TIBS) Bus Rapid Transit (Project) will create a new Bus Rapid Transit (BRT) station on SR 518 between mileposts 2.49 and 2.91, to connect the existing Tukwila International Boulevard Link light rail station and communities to the south of SR 518. This project includes roadway modifications, new bus only lanes, and pedestrian bridges to access the new Stride bus rapid transit stations and related facilities.

Public Works

Publication Date

February 27, 2025

Contract status

Planned

Contract ID

XE3492

County

King County

Submittal due date and time

Monday, September 22, 2025 - 11:59pm PDT

Estimated value

$100,000,000.00 - $150,000,000.00

Funding source

Sound Transit and FTA funded contract with disadvantaged business enterprise goals to be determined.

Contact

Andrew Ziegler

Design Manager

SR518_TIBS@wsdot.wa.gov

425-450-2570

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Project information available

Fact sheet (PDF 2.92MB) - posted 2/27/2025

Submittal Information (PDF 217KB)

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