What started as road rage ended in a stabbing in Madison Sunday night. A 30 year old Watertown man received non life threatening injuries. The incident happened just before 8 p.m. at the intersection of East Washington Avenue and Blount Street. 26 year old John Howard was arrested on a reckless endangerment charge while his passenger, 25 year old Shyloh Nelson was also cited for disorderly conduct for reportedly spitting on the victim.