NEW : Authorities investigate the bus crash ; its records show it 's ` ` satisfactory '' A patrol officer says he expects the death toll to rise . At least 42 are dead from the crash in San Bernardino County . Cars take turns on one lane of a mountainous road .
NEW : Authorities identify the bus company ; safety records indicate it 's `` satisfactory '' A patrol officer says he expects the death toll to rise . At least 42 are injured from the crash in San Bernardino County . Ambulances take turns on one lane of a mountainous road .