Curved Roadbed Track Section Unitrack Kato's line of ground-level UNI TRACK offers a variety of pieces and turnouts to allow you to build any layout your heart desires, all while ensuring track quality and steady delivery of electricity to your locomotives. Available both as individual pieces and as track sets, let Kato UNI TRACK be the first track you put down, and you may never use another track again. This modular track system features nickel-silver rails fully integrated into a remarkably realistic-looking roadbed. The patented Unijoiners (included) lock the track sections together firmly and evenly. The frustration of derailments resulting from uneven rail joints and separating sections is eliminated.