3000 fewer cars on the road?

Because they're at the bottom of the sea. But don't be too sure; the ship may well be salvaged, and I bet there's a chance some of the cargo might end up on the Arthur Daley market. "No careful owners - it was only under seawater for a few weeks...".

On the other hand, the locomotive involved in the Tay Bridge disaster in 1879 was fished out of the sea after 5 months underwater, was repaired, and was in traffic for another 40 years!