Siberia Creek, the very first track I ever made was a traxx school project. I knew absolutely nothing about making a track at the time except for Guitar Bills traxx school
http://mtmc4fun.com/traxxsch.html ... SCreek looked almost identical to your screen shot above in the beginning and i thought it was the greatest thing i'd ever seen because i made it lolol. BUT I went nuts on it after that first loop and spent several weeks experimenting and learning all i could handle. The original first step loop is at the start finish line, the rest is all improv.
The best advice I can give anyone interested in making any type of track or truck is to take your time, don't rush it, pay close attention to detail, ask questions, have fun.