I found a great article the other day on managing roadway erosion on a Skaneateles Watershed web site. It is very well done and includes complete drawings and specifications. Over the years I have had lots of people ask about techniques and expertise in controlling roadway erosion on steep slopes. Anyone who has a dirt or gravel roadway with any significant slope has experienced erosion problems that these deflectors could help prevent. There is also some good information on watershed friendly landscaping at this web site. Take a look and see what you think.
(picture and web site link are from Cornell Cooperative Ext. of Ononondaga County)
link to the article and downlaodable brochure: