Get a lawyer. You MAY come out better without one...but why risk it with something as serious as this.
I was pulled in for doing 67 in a 35 (32mph over)...reckless driving and a bunch of other crap thrown at me by the Park Police. I pissed him off because he asked, "Do you know what the speed limit its?" I said 35mph...he yelled at me and said NO, ITS 25MPH!". I responded, well the sign you're standing in front of (speed limit sign) says 35mph. I pulled over in FRONT of the sign not behind it...which was a 25mph zone.
He looked like a total idiot. Was it worth it, yeah, I think so.
Anyways, hired a lawyer, got the wreckless dropped, points dropped from a bunch to just 2 and nothing else. Paid $450 in fines, and $500 for the laywer. Was it worth it? I don't think I would have risked it for a few hundred bucks. The judge was having a bad day and hammering on people...so I figure I came out pretty well.
If you have a lenient judge you might get lucky...by why take that risk. Get a laywer, dress nice, be nice, be repetent and go from there. Been there done that don't want to do it again.