HI !
Not sure to fully get everything from your question, but I will try to help answering , you can add trigger Stuff, you can decorate and Increase environement rating around the coaster or Attraction , but also you can change the Sequences in attraction.
In forum and comunities (steam as an example) , you could find some help tips to define sequences : as
The price park guests will pay to ride a ride is determined by the ride's prestige. ($3 per 100 prestige or half star). You can do 2 things to increase a ride's prestige: 1. Add scenery to a ride and
steamcommunity.com
Optimal sequences for regular rides. Google Sheets version with working calculator included....
steamcommunity.com
but there is other sources ..... even in this forum I saw one post with lot of usuefull links....
hope it helped a little !