They WERE walking alongside the road, they WERE hit by a car, and now they ARE dead. It doesn't work. Are is present tense. Dead is -- well, dead is past, isn't it? Present tense modifying past; being modifying non-being. Language, in this instance" ...
She has often felt that her outsides were too dull for her insides, that deep within her there was something better than what everyone else could see.