A vehicle crash on Interstate 15 southbound in Jefferson County slowed traffic between Helena and Montana City, according to emergency crews responding to the scene. The stretch of highway, a daily commute corridor for residents of both communities, was affected during the incident.

Details on the number of vehicles involved, injuries, or road closures were not immediately available. Crews were actively working the scene at the time of initial reports.

Drivers heading south out of Helena toward Montana City were advised to expect delays. Jefferson County and Montana Department of Transportation crews were among those responding.