PHOTO: A driver was critically injured in a Friday crash.
Firefighters say a car went through a wall at an I-19 on-ramp in the Sahaurita area.
According to Green Valley Fire, the driver lost control when using the ramp off northbound I-19 near Esperanza Boulevard.
The victim was treated for life-threatening injuries at the hospital.
According to the Pima County Sheriff's Department, the I-19 onramp at Esparanza and the offramp from Esperanza were closed.
Esperanza was also closed between Los Olmos and Abrego Drive.