Emergency crews responded to the southbound lanes of the highway, just north of Fillmore Street, shortly after 9 p.m.
The investigation showed that a Ford F150 pickup truck driven by a 52-year-old West Olive woman was driving north on U.S. 31 when her vehicle crossed the grassy median and met head-on with a southbound Nissan Murano driven by a 73-year-old Elkhart, Ind. Woman.
Both women were transported by ambulance to North Ottawa Community Hospital with unknown injuries.
Alcohol does appear to be a factor in the crash, which remains under investigation, said Sgt. Christie Wendt of the Ottawa County Sheriff’s Office.
Both southbound lanes of the highway were closed for about 25 minutes after the incident. One lane was re-opened while the damaged vehicles were removed from the scene.
Grand Haven Township Fire Rescue assisted at the scene.