Liberty convoy sounds good! I'd give us at least 1 hr 20 mins to get to Wakefield, since I just got booked at Collector on the way to WSID last week - Friggin copfest!
So perhaps leave Canberra at 6:30?
Driver's briefing is at 8:30, not sure what happens if we're late...
I'll be fueled to the limit with BP Ult98 since there's none in Goulburn.
if it doesn't suit just look for the very slow lib on the Hume