Authorities confirm a multi-vehicle crash happened at the intersection of County Highway K and County Highway P near the Town of Springfield.
Dane County Sheriff’s deputies and the Cross Plains Police Department first responded around 7:12 p.m.
Seven people were sent to the hospital, three of them with life-threatening injuries.
Authorities with the Dane County Sheriff's Office say Jennifer Kirchstein, 50, and her passengers Margaret McHugh, 70, George Hove, 75, Dale Wood, 58, James Kirchstein 53, and Payton Kirchstein, 8, were traveling west on County Highway K.
Jennifer Kirchstein then did not yield to a stop sign and hit a south-bound vehicle on County Highway P, driven by Rebecca Voights, 46.
Two people were medflighted with two separate helicopters.
All people involved in the crash sustained some sort of injury and were transported to the hospital.
Cross Plains, Middleton and Waunakee EMS supplied ambulances for support.