Complex sentence: An inexplicably locked subway exit results in him almost being run over by a train, he periodically glimpses faceless vibrating figures in the shadows, he narrowly escapes being run over by a pursuing car.
Split into simpler sentences: An inexplicably locked subway exit results in him almost being run over by a train. He periodically glimpses faceless vibrating figures in the shadows and narrowly escapes being run over by a pursuing car.