How to overcome a roller coaster track gap of a length of 1 or 2?
Here's what I came up with:

The key element I used is the hose nozzle (60849):

I opted not to use hinges to try to create as rigid of a connection as I could. Here's the build:




This seemed to work fine in the small amount of testing I did, but it does require a bit of careful adjusting to get everything aligned properly initially.