Johnson City Police Have Arrested A Unicoi Man Accused In A Road Rage Incident. 40 Year Old John March Is Charged With Felony Reckless Endangerment. Officers Responded To Walgreens On North Roan Street In Reference To A Road Rage Incident Involving A Gun. An Investigation Revealed March Passed A Vehicle On The Shoulder Of Interstate 26 Before Allegedly Pointing A Handgun Out The Driver’s Side Window And Aiming It At Occupants In The Other Vehicle. March Later Turned Himself In And Is Being Held On A Ten Thousand Dollars Bond. He Will Be Arraigned This Afternoon.