I know that In Tennessee that if you come to a light and its red for 3 turns then your allowed to run it, but besides that there lane splitting is illegal. Doesn't mean i don't do it. I'm really wanting it here in Georgia and Tennessee though. They are doing so much construction in and around Chattanooga its killing me and i'm sitting in 90+ degree weather on a flipping oven thats reaching post 220 degrees temperatures. I'm sry if the general public doesn't approve but i don't like roasting like a Thanksgiving turkey while trying to get to work.
If your not sure what your state laws are here ya go
http://www.amadirectlink.com/legisltn/laws.asp