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
LEGO CITY: Train Rail Crossing (7996) for sale online | eBay
Certified Used Set 7996 City Train Rail Crossing (Double Crossover Tra – Bricks & Minifigs Anaheim
Peeron: Train Rail Crossing for RC Trains (#7996-1)