Department of Transportation Records Guide
Record Series Descriptions
Series documents Highway Department actions in relation to the planning, design, building, and maintenance of highways in all 36 counties. Records include correspondence between various levels of Highway Department employees as well as correspondence with contractors, county and city officials, vendors, and private citizens. In addition to correspondence, the records include reports, logs, receipts, plans, maps, telegrams, and related documents. The records are arranged alphabetically by county name, thereunder by folder with subject title and unidentified alpha-numeric code.
See also the Correspondence, General record series for county based correspondence from 1912 to 1920.