The state-interest component of the statewide multimodal transportation plan shall include a state marine ports and navigation plan, which shall assess the transportation needs of Washington's marine ports, including navigation, and identify transportation system improvements needed to support the international trade and economic development role of Washington's marine ports. The department shall coordinate with the freight mobility strategic investment board throughout the process of the department's periodic update of the state marine ports and navigation plan and provide opportunities for the board to review and provide feedback on the plan.
RCW 47.06.070