A 50-year-old woman was killed in a crash on Route 495 in Massachusetts Thursday night.
According to state police, the Billerica woman was traveling northbound just before 6 p.m. when she lost control of her vehicle and rolled over into the median near exit 32 in Westford.
The victim was the only person inside the vehicle and was died at the crash scene.
Police are withholding her identity pending notification of her family.
The investigation into the crash is ongoing.