The Tulalip Tribes, Bureau of Indian Affairs (BIA), and the Federal Highways Administration (FHWA) have cooperated closely in moving the 116th Interchange Project forward. BIA and FHWA acted as co-leads on the project for NEPA. FHWA was and is the approving authority for the interchange improvements. FHWA has provide funding for earlier phases of the project through the Public Lands Highway Discretionary program and High Priority Projects program. BIA has approved and distributed Tulalip Tribes Transportation dollars thru the Indian Reservation Roads program to the interchange project.

The following entities are also key stakeholders:

  • Washington Department of Transportation (WSDOT) - WSDOT is the state highway lead for this project and will be ultimately responsible for Operations and Maintenance (O&M) costs once the project is completed. WSDOT is the review and approval authority on the final design, construction document preparation, and construction of the improvements affecting the interstate and interchange right of way within the reservation. WSDOT has contributed $900,000 to the project.
  • Snohomish County - The project is located in, and will benefit the residents of, Snohomish County. The County is committed to the success of the 116th Interchange Project and has contributed $525,000 to culvert replacements. The county has also served as the review and approval authority for designs, construction document preparation and construction of the improvements affecting their public road right of way within the reservation.
  • City of Marysville - the city of Marysville is located due east of the project and has identified the 116th interchange project as the city's top priority project on the I-5 corridor. The city of Marysville has also designed and constructed roadway, bike and pedestrian improvements east of the interchange to reduce congestion and compliment the interchange project.