I know they SHOULD have more trains running on the coasters, but unless they purchase additional trains for some of them, there will have to be single train operations at some points with such a short off-season. They used to have 5 months of downtime, but since they started Holiday in the Park and chose to open earlier in the year than they used to, there just isn't enough downtime for the rebuilds/preventative maintenance. They SHOULD purchase additional trains for Superman and Batman so they each have two in operation with a third getting maintenance at all times (SFFT did this with their dive coaster), but not all parks have the budget for that, especially with Kingda Ka and El Toro eating up so much of the maintenance budget each year. We could have better operations (like Dorney) but have a season that runs May to October instead of March to January...