Causeway PD Ticket

Got a ticket from Causeway PD going 15 over. I have a scheduled court date in St. Tammany Parish in a couple of weeks. The ticket itself is $250 but I haven’t had a speeding ticket in at least 10 years so I’m wondering if anyone has had luck going to court and getting it reduced or somehow dismissed?

Also, anyone have experience pleaing under code of criminal procedure article 894? Is paying the ticket and checking this box worth it?

TIA