Track Making Help

[JWilliams]

Im working on my first track so it may be a easy solution but i have no idea what to do, when ever i try to make ruts using raise/lower they come out rough and bumpy, and the top have jagged edges.

If anyone knows how to fix this please let me know.

[Motocrosser_44]

definetely watch storken's tutorials on youtube. he is very specific and helps out alot.
https://www.youtube.com/playlist?list=P ... Xy7OLbmSrb