The constructor of the railway. Broken down into details. you can separately configure the lode of all parts of the constructor, such as bolts, rails, and sleepers.
You can view the entire constructor here https://skfb.ly/6UprZ

The rails are made so that static batching is used. Almost all meshes have fewer than 300 vertexes to draw in 1 pass. Parts with more than 300 vertexes are turns and forks.

Texture size 4K
Collision: Yes
Lods: Yes
Number of materials: 1