ABC7 News media partner The Contra Costa Times reports the woman, who is 9-months pregnant, was robbed at gunpoint near Western Boulevard and Willow Avenue in Cherryland around 2 p.m. Monday.
Investigators say the suspects pushed the woman's car onto the train tracks with their truck, smashed her window, grabbed her purse and took off.
The woman was taken to the hospital with minor injuries. Mom and her unborn baby are expected to be OK.