Trails and pathways serve multiple roles, including travel that factors into transportation planning. Here's a copy of the 2004 Trails, Bikeways & Paths Plan, which laid out strategies on 20-year timeframes. How much as come to pass? What's left to accomplish? Check it out here.
Transportation Plan Library
Here's a collection of items associated with the Sammamish Transportation Master Plan - some, providing policy support and direction for the work at-hand; others, documents developed showing draft concepts, strategies and recommendations. Follow along as the plan grows!