Update: As of 6:05 p.m., all lanes of Rt. 7 are open to traffic again.
The westbound lanes of Rt. 7 east of Hamilton have reopened to traffic as emergency crews continue the cleanup at the scene of a head-on crash that sent three people to the hospital.
The crash happened after 4 p.m. in the eastbound lanes of the highway, east of the Rt. 704 interchange.
A helicopter was brought to the scene to fly one of the injured people to the hospital for treatment.
The eastbound lanes remain closed at 5:15 p.m. Expect delays in the area.