She did as good as can be expected, and he wants to tell her that, but there's no time. Too much sound, all at once; every infected in the area will be crawling toward them. "C'mon," he says, his voice a thick hiss, "we gotta go."

They'll circle round, try and find another way over the bridge, or a safer place to cross. It doesn't matter. They just have to get out of here, and in a hurry.

He starts the engine just as the sound of clicking begins to echo through the trees.