Missouri Department of Transportation:Official site. Contains construction project information and news.
Missouri Highways:Route log and history. Includes a message board.
Citizens for a Four-lane Highway 36: Group promoting four-lane expansion of US-36 from Macon eastward in the state. Includes fact sheet and newsletter.
Revive 755's Transportation Pages: Contains information about old plans in the St. Louis area.
Show-Me Somethings: Includes various aspects including personal proposals to the state system and a lexicon.
The Cape Rock | Roads and Highways: A guide to Cape Girardeau and the Southeast.
The New I-64: Improvements in the St. Louis metropolitan area.
The Oak Ridge I-55 Interchange: Details the controversy behind the planned interchange.