APM: 35 Location: Main St and Sorensen Ave, Calipatria Building-mounted reassurance shield as SR 115 begins. APM: 34 Location: SR 115 and Southeast Ave, Imperial Cty As we head out of Calipatria we’re 34 miles from Interstate 8. APM: 31 Location: SR 115 and Wiest Rd, Imperial Cty A few miles later, SR 115 turns right … Continue reading California State Route 115, SR 111 to SR 78