Complex sentence: On the way to the cabin, Zane constantly sees an old woman on the side of the road, culminating in her appearance in the middle of the road, which causes him to almost crash.
Split into simpler sentences: On the way to the cabin, Zane constantly sees an old woman on the side of the road. He sees her on the side of the road several times, culminating in her appearance in the middle of the road, which causes him to almost crash.