Jackson TN EV

I converted a 1998 Saturn SL1 to Lead-Acid Battery pack, DC motor powered electric vehicle. The Saturn has been driven since mid December 1998 and up to early August 2009 it has 6500 EV miles.
Web site is The Similarly Stimulated Saturn

So you can you build a EV and put it on Tenn roads? What are the laws in TN?