drive up Central (75) to Van Alstyne. Park there, head East and North on the backroads.
http://www.mapmyride.com/ride/united...24839058493734
http://www.mapmyride.com/ride/united...tyne/664995826
http://www.mapmyride.com/ride/united...24345379653214
http://www.mapmyride.com/ride/united...25149283738596
these are some awesome skinny little country roads, very low traffic, lots of small hills, twisty and turny, great scenery.