Apple Maps has a deep queue for reports about map inaccuracies, your minimum wait time is a few days 98 times out of 100. This is fixable, but it requires even more staffing than Apple already has working on Apple Maps (which is most of the people they employ in Austin and India).
My son's school is in a kafka-ish situation with Google where their listing is wrong and cannot be changed. People cannot write reviews, and data doesn't get updated.
98/100 times, updates to Apple or Google mapping products are done in hours or days. The 2/100, forget it.