This is an archived article that was published on sltrib.com in 2013, and information in the article may be outdated. It is provided only for personal research purposes and may not be reprinted.

A woman suffered critical head injuries when her minivan collided with a semitrailer truck Wednesday on Interstate 15 near Provo.

The woman, about 60, was driving south on the University Avenue on-ramp onto Interstate 15 when she lost control of her minivan and struck the semi, troopers wrote in a news statement. The woman was taken to Utah Valley Regional Medical Center.

Investigators say speed may have been a factor in the crash.