Traylor/Atkinson, Joint Venture in collaboration with Arup as our construction engineer is a Proposer on the W200 Duwamish River Crossing and Aerial Guideway GCCM Project.

The W200 contract package, Duwamish River Crossing and Aerial Guideway, is generally located in Seattle, WA between the SODO area and the future Delridge Station. W200 includes over 1.5 miles of pre-cast segmental aerial and at-grade guideway, including an approximately 2,400 LF pre-cast segmental cable-stayed bridge over the Duwamish Waterway, and interfaces with several other contracts. Exact limits of W200 construction will be finalized during preconstruction.

W200 scope of work includes, but is not limited to, the following:

1. Pre-cast segmental elevated guideway including aerial crossings of major roadways, railroads, waterways, and private properties; foundations; and substructures;
2. Pre-cast segmental cable-stayed bridge over the Duwamish Waterway, including foundations, two towers, and main and back span superstructures and substructures;
3. At-grade guideway construction, including cut/fill retaining walls;
4. Earthwork, including retaining walls and slope stabilization measures; and
5. Other work includes demolition, clearing, grubbing, utility relocations, sound walls, road works, site improvements and site restoration

Scopes of work

See flyer for details. This list is provided for reference and are not inclusive of all subcontracting opportunities that may be available.

Contract Amount
$725 to $900 million

Project SB Goals
6.5% of total contract for construction services

Schedule
Preconstruction NTP: Q1 2027
Construction NTP: Q4 2028

Contacts
Nathan Schaeffer Pursuit Manager - NSchaeffer@traylor.com
Karlton Daniel Economic Development Lead - Karlton.Daniel@atkn.com

Outreach Event

Join us to learn more about the Small Business opportunities for this project.

July 1, 2026 | 3 pm to 5 pm

Triton Tower Two
700 S. Renton Village Place
1st Floor Conference Room
Renton, WA 98057