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The intent of the Transportation Element is to provide policies and projects to guide the development of Mercer Island transportation system in support of the City’s vision for the future. The policies guide the actions of the City, as well as the decisions related to individual developments.

The Transportation Element provides an inventory of all of Mercer Island’s existing transportation system and includes auto, truck, bicycle, bus, and pedestrian. This update to the Transportation Element reflects the changes to circulation and operations related to the closure of the I-90 reversible lanes and related ramps.