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
Custom Lego Train Double Crossover / Crossing Switch Track - PF & RC trains only | #505837755
LEGO Set 7996 City Train Track Splitter In Open Box RC RARE | #1738386806