APM: 39 Location: MacArthur Fwy and Warren Fwy, Oakland Reassurance shield after the SR 13 interchange. APM: 40 Location: MacArthur Fwy and MacArthur Blvd, Oakland Reassurance shield after the same-named boulevard intersects. APM: 40 Location: MacArthur Fwy and 35th Ave, Oakland Overhead reassurance shield as the Bay Bridge emerges as a destination. APM: 40 Location: MacArthur Fwy and 35th … Continue reading Interstate 580, SR 13 to I-980/SR 24