Seattle Department of Transportation
Sam Zimbabwe, Director
Document Library
Looking for an older neighborhood plan or a before and after study? Or maybe you're working on a research paper. We've gathered all our plans, reports, studies, manuals, and more into this document library. Here you'll find everything from our 20-year modal plans to detailed client assistance memos and much more in between.
Citywide Plans
Move Seattle, Strategic plans, Streets and Sidewalks, ITS, Art, and more
Client Assistance Memos
Street Use Client Assistance Memos
Director's Rules & Ordinances
Administrative rules adopted according to the Administrative code.
Manuals
Right of Way, Street Trees, Traffic, and more
Modal Plans
Our 20-year plans for walking, biking, transit, and freight.
Reports & Studies
Reports on the Levy to Move Seattle, traffic, rechannelization, and more.
Translation Term Base
Our term base is a living document of frequently used terms for which we have established translations to ensure [...]