New version 2.1 update includes:
 
New beige ballast colour
Rail singing audio
Improved track joint frequency
Reduced track roughness
 
This is a pack of 216 North American track assets for use in custom routes, modelled to accurate measurements. Included are accurate junction motor and switchstand models, buffered (bumping post) variants, four ballast colours, two tie types, embanked variants, winter textures, no snow versions, an invisible version, three track rules and matching ballast terrain textures.