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.