Here is some info for you. http://www.state.nj.us/mvc/Violation...therStates.htm
You'll get assessed the two points, but it probably won't affect your insurance, unless you have other points on your license. NJ has reciprocity with just about everyone. It all depends on the judge, if you drive back and show you care they may be lenient, or the VA judge might have it out for all things Jersey since U-turns are illegal and enforce the fine.