The Gala is on at the Palace grounds this Saturday - and so are a whole bunch of weddings at St Andrews church.
Bish Dot Net has been asked to recommend that you do not try to park in the church car park and to avoid Church Lane might be a good idea too. It might be convenient to use the church car park, (especially as City of York Ward, that is your, money paid for about a third of its recent tarmacing over), but probably best not to on this occasion.
Better still, leave the car at home, walk, and take the kids to the pub on the way home!