(3) No operator of a vehicle, after having received a visual or audible signal from a traffic officer, or marked police vehicle, shall knowingly flee or attempt to elude any traffic officer by willful or wanton disregard of such signal so as to interfere with or endanger the operation of the police vehicle, or the traffic officer or other vehicles or pedestrians, nor shall the operator increase the speed of the operator’s vehicle or extinguish the lights of the vehicle in an attempt to elude or flee.

http://docs.legis.wisconsin.gov/statutes/statutes/346/I/04/3