Here is one of the best books about single track. Its written by mountain bikers but the info is the same for most dirt bikes
heres the link to there site where parts of the book are published
http://www.imba.com/resources/trail_bui ... tions.html
Here are more links to various places with basic info
They are more for non biking trails but the basic info and how the trail wears is the same
http://www.foothill.net/fta/work/maintnotes.html
http://www.fhwa.dot.gov/environment/fsp ... /index.htm
If any one has more links or web pages please post them.







