Bastens - We are lucky enough to have one of the LEGO City Train Track Splitter 7996 which is now retired. That being said I wouldn't recommend spending over $250 to buy
Uphill Track 7996 City Rail for Lego Kit Train Building Blocks Sets DIY | eBay
City - Train Tracks [Lego 7996] | Lego city train, Lego train tracks, Lego trains
Uphill Track 7996 City Rail MOC Kit Train Building Blocks Sets DIY--37 Sets | eBay
Lego City 7996 Double Crossing - Brand New - Railroad Retired Factory Sealed | eBay
Lot Detail - LEGO Collector Set #7996 Train Rail Crossing New and Unopened
4DBRIX CROSSOVER TRAIN TRACK Compared to LEGO 7996 - YouTube