APM: 5 Location: Imperial Hwy and Orange Fwy, Brea No reassurance shield after SR 57. APM: 2 Location: Imperial Hwy and Palm St, Brea Reassurance shield several blocks later. APM: 0 Location: Imperial Hwy and Beach Blvd, La Habra A few blocks later we’ll approach SR 39. Follow 39 north to La Puente, 39 south to Buena Park, … Continue reading California State Route 90, SR 57 to SR 39