Roads and Highways in Indiana

• Regional: United States: Indiana: Transportation 

• 8664.org: Louisville at a Crossroads  - Overview of the Louisville community. Also presents the organization's advocacy in road renovation.
• Great Lakes Circle Tour  - Details the roadway system with a map provided. Includes geographical data as well.
• U.S. 31 Coalition Inc.  - Discusses the organization's mission in working for limited access on the involved road.