In this video, I show you how I made a lift bridge for my layout. And I also show you a great tool to use for cutting your track. 
Here the link to the Cut Off Saw
DRILL MASTER 6 in. 5.5 Amp Cut-Off Saw - Item 61204 / 41453 / 69438 / 61659 / 56522 / 61239 https://hftools.com/app61204