The Oklahoma Department of Transportation has provided several publications online which include:

• 2005 Oklahoma Highway Map
• Oklahoma's County Section Line Maps
• list of Oklahoma's Memorial Bridges & Highways
• Information about Historic Route 66
• Oklahoma State Capital Complex Maps

"The mission of the Oklahoma Department of Transportation is to provide a safe, economical, and effective transportation network for the people, commerce and communities of Oklahoma."

Be sure to also check out ODOT's Roadside Wildflower Program, Adopt-A-Highway Program, and "Keep Our Land Grand" Anti-Litter Educational Materials and Support.

Update 7/22/05: ODOT also provides a highway mileage calculator between Oklahoma cities: Oklahoma Mileage Table.