Includes photographs, route guides, and focus pages covering Oklahoma City and Tulsa.

Provides departmental organization and contacts, aeronautic, highway, public transportation, railroad, and waterway information, contracts, proposals, and construction standards and specifications as well as public service information and links to related state agencies.

Documents the history of highway development in Oklahoma from the earliest state routes to US highways.

Provides organizational history and background information, turnpike maps, engineering drawings, and extension information, toll collection reports, and information and contacts for the PikePass automated toll collection system.