Section Trans 309.17 - Siren and public address system(1) Each ambulance shall have an electric or electronic siren and amplified public address system. The siren or siren speakers shall be mounted below the windshield and forward of the front wheels. The siren shall produce wail and yelp sound patterns. The wail sound pattern shall have both automatic and manual controls. (1m) The siren shall be activated by the steering wheel horn. The emergency light control panel shall have a switch marked "horn/siren" to activate either the vehicle's horn or siren. This subsection applies to all ambulances that are put in service July 1, 1999.(2) Ambulance service providers may not be required to alter siren mountings already installed on ambulances in service prior to May 1, 1994.Wis. Admin. Code Department of Transportation Trans 309.17
Cr. Register, October, 1986, No. 370, eff. 11-1-86; r. and recr. Register, April, 1994, No. 460, eff. 5-1-94; am. (1) and (2), Cr. (1m), Register, February, 1999, No. 518, eff. 4-1-99.