I have the Mickey Monitor here in front of me, and it says it's March 7th-9th, and 14th-16th, and the blurb about it in the calendar of events section says it's 2 hours.
I've never been to an AP event before but they always have bus service after E-nights, so I can't imagine this would be any different. I don't see Disney stranding it's guests at the park.
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