Predominantly files of Director Grace Crunican regarding transportation projects and issues, including the Alaskan Way Viaduct replacement, Seattle Monorail Project, South Lake Union area, the Mercer Street corridor, and streetcars. Also documented are regional transportation issues involving Sound Transit, Link Light Rail, ferries, state and federal highways, and a Regional Transportation Investment District. Records include subject files, studies, reports, correspondence, briefing material, trip files, departmental and mayoral meeting agendas