APM: 29 Location: SR 128 and SR 253, Mendocino Cty Reassurance shield after SR 253 as we enter Boonville. APM: 28 Location: SR 128 and Lambert Ln, Boonville, Mendocino Cty Welcome to Boonville! APM: 26 Location: SR 128 and Beachland Rd, Mendocino Cty Reassurance shield as we head out of Boonville. APM: 26 Location: SR 128 and Beachland Rd, … Continue reading California State Route 128, SR 253 to SR 1