Getting to Richmond

I’ve confirmed the time off of work and booked the hotel room for Grand Prix Richmond the first weekend of February.

So now the grand question is, should I get there by plane, train, or automobile? I’m very much leaning toward driving down right now, since it looks cheapest, but I’m not looking forward to a 10+ hour drive. Is there a good cheap alternative somewhere that I’m missing? Money’s the main factor that I’m looking at, as I am willing to drive down. But it seems like there ought to be a better way. I think that if it were just me, it might be just as cheap to fly, bus, or take a train down, but with two of us, it costs the same to use the car, and costs twice as much via mass transit. I may be carpooling with others in the area that are going down, but that’s very up in the air right now.