APM: 23 Location: Oller St and Derrick Ave, Mendota No reassurance shield as SR 180 begins. There is a theoretical plan to extend SR 180 west to I-5 and beyond to SR 25, but that has never actually happened. We’ll start at postmile 23 anyway, to allow for that westward extension. APM: 24 Location: SR … Continue reading California State Route 180, SR 33 to SR 145