Add new 75S -> 74W onramp and remove the old one. Change occurred in the last week.
Remove carousel and building that were demolished as part of construction
Tweak trails based on better GPS data.
Add missing trail, remove trail(s) that don't really exist.
Add new trails, remove section of trail that didn't exist.
Add carousel that opened a month ago.
Update zoo with shelter area that was opened last year.
Clean up boardwalk a bit, add bathroom