I would just pay it but I am on the policies with my wife on 2 vehicles. Would my wife having a clean record have any bearing on effects of this ticket? Also have and older car that recently broke down...I have it fixed now and want to keep it til it dies.....I drive a lot for work and want to use this car to take some miles from being racked up on newer vehicles. So I would have increases on 3 vehicles.
As for telling my agent, I think I'm going to wait til the outcome of the ticket (whether or not I just pay it off). Only reason I would tell him is that we have a pretty good relationship and hoping he has some control with how much the rates would raise.
Some states have programs for the 'one' ticket so it gets hidden on your driving record. I doubt the DA will care about it or spend anytime talking to you, but the state program, if one exists, is usually pretty easy.
Since you are not mentioning what state you are in, its hard to know.