
According to The Star Online, Hulu Selangor OCPD Supt R Supramaniam said the 27-year-old driver tested negative for drugs.
However, samples of her blood have been sent to Hospital Sungai Buloh for further alcohol and drug tests.
A three-month baby, Aril Rizqin Redza Shahril, was killed in the collision at 1pm yesterday after being flung out of the car.
Berita Harian Online reported last night that a 30-second video of the accident, when uploaded on Facebook, went viral.
Yesterday, Supramaniam identified the driver of one of the cars as S Nishanty, 27.
Her car spun out of control after colliding into another along the highway, and slammed into the road barrier when it finally came to a stop.
The other car, driven by Shahril Salleh, 32, skidded upon impact and crashed into a drain by the highway.
His wife, Rafnah Mongudancgal, 35, and baby were flung out of the car.
Shahril, his wife and two other sons, Aril Hakimi Ashraf, 11; and Aril Zakuan Haris, 4; sustained minor injuries.