Five-car accident on Island Crest Way Mercer Island police and fire responded to a five-car collision on the South end in the 6800 block of Island Crest Way around 8 a.m. this morning. By Reporter Staff • November 21, 2011 4:49 pm Mercer Island police and fire responded to a five-car collision on the South end in the 6800 block of Island Crest Way around 8 a.m. this morning. There were no injuries. More details will be posted as information becomes available.