Get these high - quality Viaduct S - Joiners from Kato USA Inc. They come in a pack of 20 and are perfect for N scale layouts. Part # 381 - 24817.

These Viaduct S - Joiners are easy to use. Just connect them to your N scale track where you need a viaduct. When handling, be gentle to avoid any breakage. To keep them in good condition, store them in a dry place away from direct sunlight. If you notice any dirt, you can gently clean them with a soft, dry cloth.