The Janesville Gazette has an article that explains the joint agreement between Evansville and Union that has Evansville officers running radar outside of town and the proceeds of fines go to the joint municipal court.
Click on the post for the full article.
The Evansville Observer Archive: The unofficial history of Evansville, Wisconsin from 2005-2013: Thousands of Video and Audio and Articles; Free: To Search scroll to the Search this Blog line and enter name of person, topic, or issue. Then scroll up to see all articles. Or use Google Search by topic. Enjoy.