bill: nate rogers with the story. reporter: i spoke with several moms in park slope community torn by this tragedy, saying they could not sleep last night, and they are now afraid to bring their babies outside. right now several flowers and teddy bears grace the sidewalk of brooklyn 9th and fifth avenue, a sign saying god bless your dear children, one-year-old joshua and 4-year-old abigail. maria unfortunately witnessed the accident. >> i was crossing with my child too, my child was running at the same time -- was crying, that is why i did not cross the street. reporter: a woman lost control of her vehicle, 5 people were struck including tony award winning actress recession result ruthy ann miles who is pregnant. >> as a mother, expecting a child. her life will never be the same. reporter: this morning protestor met mayor de blasio at nearby ymca, calling for improved traffic safety. it is saturated with moms and young children. mothers say, there must be more warning signs. >> brighter signs, bright orange i don't kn