seriesNo,seriesEntityName,seriesTitle,seriesDateRange,seriesArrangement,seriesDescription,seriesTotRetentDesc,seriesPrimaryClassCode,seriesExtentDesc 3328,Department of Transportation. Engineering & Operations. Project Development. Structures,Current structure projects files,i 1980-,Numerical by project number,"These files document the current status of each structure under construction. They are a compilation of everything that comes from other divisions regarding a project. When the division of Construction notifies Structures that a project is completed\, these records are purged. The files include reduced plans\, blue books of specifications\, correspondence\, and related material.",Permanent. Retain until administrative need ends,,2 microfilm reels