Lino Rios (left) and Glen Woiteshek with the Arkansas Highway and Transportation Department use an auger to drill large holes on the ground by the guardrail along Interstate 530 near the Olive Street overpass as they prepare to install safety cages along the roadway Monday. (Special to the Commercial/William Harvey)

Lino Rios (left) and Glen Woiteshek with the Arkansas Highway and Transportation Department use an auger to drill large holes on the ground by the guardrail along Interstate 530 near the Olive Street overpass as they prepare to install safety cages along the roadway Monday. (Special to the Commercial/William Harvey)