It is a relaxing game with great music. Similarly to some of the other comments, I couldn't increase the train number after some while. Adding a tutorial would probably make the gameplay a little bit easier even though the mechanics are pretty simple. Also, sometimes it was hard which road is the straigth and which road is the deflected one. Maybe it would be better to design the levels in such sense that there is no confusion. Making a more understandable feedback would also solve the problem. After all, great game!