Would anyone like to give me some good pointers, advise, etc. about representing myself in court today?

Almost a year ago, was stopped in a school zone for speeding. School has been in session for only a few days as this happened the first week of August. Travel the road often to visit my mother. The school is located approx 600 yds off a four lane highway. There are no house remotely close to the school and all my years of living here have never seen a child on the road. BTW, this is the high school. The policeman gave me a ticket for doing 52 in a 35 mph school zone. The highway, at the time, had no flashing lights to warn people about the school zone. (normally, the speed limit on this highway is 55 mph accept during certain hours while school is in session) I had been going through here almost daily and just didn’t realize school had started.

Due to liability purposes and a four lane highway should have flashing lights to warn people, and since my ticket, have worked with our major and now they have installed flashing lights. Some good came out of this deal.

Anyway, today is my court date. It has been put off about three times for various reasons.

Anyone have any good advise for me?