APM: 41 Location: Ontario Fwy and Riverside Fwy, Corona Reassurance shield after the 91. APM: 40 Location: Ontario Fwy and Magnolia Ave, Corona Overhead reassurance shield at the next exit. APM: 40 Location: Ontario Fwy and Magnolia Ave, Corona Reassurance shield after Magnolia Avenue. APM: 38 Location: Ontario Fwy and Ontario Ave, Corona Reassurance shield after Ontario Ave. This … Continue reading Interstate 15, SR 91 to SR 74