A 39-year-old Janesville man is facing gun and drug charges after police in Janesville and Beloit, as well as the State Department of Criminal Investigations, worked together to make the arrest.  Janesville police say Eshawn M. Reed took-off when Beloit police attempted a traffic stop about 3:00 o’clock Tuesday afternoon.  Police say Reed was later located parked in the 2900 block of Park Avenue.  After he was taken into custody, officers executed search warrants at addresses in the 1700 block of Park Avenue in Beloit and the 1000 block of South Terrace Street in Janesville.  Police say 29-grams of crack cocaine, more than 1000 grams of marijuana, a handgun, and $42 thousand in cash was found.  Authorities say Reed is currently on probations for 2nd degree Recklessly Endangering Safety by Use of a Dangerous Weapon, Possession with intent to Deliver Cocaine, and Maintaining a Drug Trafficking Place.   He was arrested on a probation warrant and is being held at the Rock County Jail.