This bus crash killed 51-year-old San Francisco stay at home Filipina mom Fely Olivera and another woman, Maria De Jesus Ortiz Velasquez, a 76-year-old from Salinas.
State and federal authorities are now investigating other causes including driver fatigue.
The National Transportation Safety Board says it will also examine the bus for mechanical and structural defects, as well as road conditions, and the driver’s actions before the deadly crash.
source: www.abs-cbnnews.com