You need to start by requesting a copy of his Wisconsin driver’s license. http://www.dot.wisconsin.gov/drivers/drivers/request-record.htm
This may or may not have the ticket information from the municipality he received the ticket from.
DISCLAIMER: David J. McCormick is licensed to practice law in the State of Wisconsin and this answer is being provided for informational purposes only because the laws of your jurisdiction may differ. This answer based on general legal principles and is not intended for the purpose of providing specific legal advice or opinions. Under no circumstances does this answer constitute the establishment of an attorney-client relationship.
http://www.trucker-lawyer.com/ I urge you to contact Atty. Roberta Heckes at that link. She is a former over the road driver and specializes in these kinds of things with great success.
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