You'll eventually get a letter in the mail telling you when and where you trial will be. I got ticketed in August and still haven't got a letter (mind you traffic court in toronto is probably insane busy). At the court house they said if you don't hear anything in 7 months to call them (yeah, I'll call to remind you... right. pmsl), after 8 months you can motion to Section 11b it...
CC from the above link on page 1
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As soon as you get your trial date, the first thing to do is to ask for disclosure. It's best not to ask for disclosure until you get your court date, because it might remind someone that your trial hasn't been set. It's always possible that your case might fall through the cracks and you never get a trial date. Ask to see the officer's notes and whatever he may be relying on as evidence in trial. This is vital because you can't prepare a defense without knowing what the officer will be relying on. To send a disclosure request, just write a brief letter to the Provincial Prosecutor's office asking for disclosure. Be sure to include your full name, the offence date, and ticket/offence number. Also, be specific in what evidence you ask for. If you just say "send me all evidence you will be relying on in the trial", they'll probably be lazy and not send you very much. Be specific: e.g. "please send me: 1) Both sides of the officer's ticket, 2) the officer's notes on the day of the offence, 3) etc." If you happen to already be at the prosecutor's office, they may have a disclosure request form that you can use and submit right there. Just make sure you get a copy for yourself.
The address of the prosecutor's office is on the back of your ticket. Make sure you send the request either in person or via registered mail so they cannot claim they never received your request. Document all contact that you have with the prosecutor's office, in the event that they are not cooperative, you can motion to have the charges dropped based on non-disclosure, and you have all your proof ready.
Generally, all that is in posession of the prosecutor's office will be a prosecution sheet, which usually only has things like a copy of the ticket, and the officer's notes. If you need more information, usually only the officer in question has this information. For example, for a speeding charge, generally, only the officer will know which make and model radar unit he used, which he may or may not have written in his notes. If you need any other evidence, you have to ask the officer in question for this evidence. Again, document all contact you have with the officer. Write down the name(s) of who you spoke to, and the time and date of your call. If the officer gives you a hard time, tell the officer that the "Freedom of Information Act" (for Ontario) gives you the priviledge to obtain this information. If he still refuses, write it all down and on your court date, you can motion to have the charges dropped. If your motion is denied, you can have the JP order the officer to give you this information and to reschedule your court date so you have a chance to look over the information.