The K-Line Superstreets Tubular Track Grade Crossing is a pre-built track set designed for O gauge model railroads. Manufactured in 2007 as part of the 2000-2009 time period, this track features a three-rail system and is ready to go out of the box. The crossing design allows for exciting grade changes and realistic train interactions on your model railroad layout. Made by K-Line, a trusted brand in model railroads, this track is a valuable addition to any O gauge collection.