Reports, surveys, correspondence, meeting minutes and presentational material concerning various aspects of R. H. Thomson Freeway construction. Subjects addressed rang from earthquake studies to the site of the interchange. Folders are arranged alphabetically by type, bound reports and surveys are arranged alphabetically by subject. The freeway was begun but never finished.

Reports, surveys, correspondence, meeting minutes, presentational material, photographs, maps court papers, and property appraisals relating to R. H. Thomson Freeway planning. Subjects addressed include earthquake studies, routes, a tunnel under Union Bay, property acquisition and management, the Arboretum and City Council hearings. The freeway was begun but never finished.