State troopers are set to announce charges against a Long Island mom for allegedly killing her 9-year-old son in a wrong-way crash while under the influence early Thursday.

The motor vehicle crash took the life of a 9-year-old. Paul Mazza

The incident, which occurred near Exit 42 in Bay Shore, occurred around 2:30 a.m. Paul Mazza

The mother — who has not been named publicly — was allegedly driving the wrong way on the Southern State Parkway at the time of the four-car pileup near Exit 42 around 2:30 a.m., News12 reported.