Ive had the same thought as Belloman with having 'Roller Coaster Tycoon: Resort!' for years!
Belloman had a good idea about the fastpass lines, But i suggest that in 'RCT: Resort!' you can get queues only for people with a fastpass, like the ones in the disneyland parks!

(The Fastpass queues must be shorter than the real queues, obviously lol)
Cut the pizza into 4 slices cuz im not hungry enough to eat 6
I actually think that there would be a whole new RCT4 with all this stuff in, so that the game is about running a park (duh) with a whole terrain apart (or maybe even 2 terrains, away from each, in connection) for a resort. And then that you have extra options for peeps also in the hotel.
signature your as this put backwards this read to
enough smart were you if..
if you can raed the flwonolig, tehn you have a wried bairn.
Oh i get it!
Yeah thats a pretty good idea!
You should post it more on the RCT4 Thread.
Cut the pizza into 4 slices cuz im not hungry enough to eat 6
I think in Roller Coaster Tycoon: Frozen! they should make it so it is Jan-Dec instead of Mar-Oct, so there is snow in one part of the year, but it would only come once, so there would have to be some kind of new ride that you could only use in Winter, and it attracts lots of guests.
Cut the pizza into 4 slices cuz im not hungry enough to eat 6
You mean, sth. like a skiing track, piste, as we call it here (don't know if it's english too), and then in summer it'll be a rodel-track (you know, sitting in kind of "car" and you have a handle for accelerating, braking and stearing

)
signature your as this put backwards this read to
enough smart were you if..
if you can raed the flwonolig, tehn you have a wried bairn.
I like both the Frozen and Resort ideas=). It would be cool to build a coaster twisting through your Resort. Also I like the idea of the more stars you have you can get new stuff for your resort/hotel, but I think those upgrades should just be like inventions, so when you get them you could build a new hotel with them in them. Also, the game still being RCT, that when a group has a convention they can also use your theme park ($$$). For Frozen, it would be cool if you could freeze a body of water, and then build an attraction that would turn it into a skating rink. Also I think guest would still ride covered rides (3-D Cinema, Motion Simulator, Indoor rides, etc.) when it's cold.
Current projects:
Christmas Land - 50%  (A festive Christmas themed park)
Unnamed project (or Area 51) - 5% (Top secret Government testing facility)
Other Projects: TO BE ANNOUNCED LATER
I think it would be cool if there was premade parks that exist like cedar point or geauga lake or kennywoood. They could call it sopmething like Rct3: Remade
Maybe in the next expansion you could have a bigger range of fireworks to choose from.
Cut the pizza into 4 slices cuz im not hungry enough to eat 6
Soon to be a major religion
A scenery builder, where you can create walls, roofing and animated objects yourself.
Being able to trigger any animated object to spring into action at just the right moment.
More textures, Like change the underground walls of track tunnels by clicking on the tiles directly above.
Make tracks invisible and build through as options.
Death to the Park Inspector! Preferably, by catapult.
More monster characters to choose from. The pumpkin head guy is cool, but he needs friends too.
A free on-line library of songs & sounds that can only be used in the games.
Supports that look realistic and build automatically, instead of the crappy stuff it has now.
No "dead space" between the distant backgrounds and the property border.
A choice of different color "maps" on ride vehicles. (the checkerboard pattern on the steel twister is so lame.)
Make the saved games load faster. PLEEEEEEEZE???
Five words - Surround Sound 5.1