Crossing roads is not possible:  Over the railway without problems: ![obrázok.png](/content-images/6fbaf3b1616773a839e6ceff0cf85b2fca6c50737bdc04d66…

The modular ramp needs to be researched first.\  The picture shows where the objects are located.\ ![obrázok.png](/content-images/b5184fccb35d7…