State Route 253, also known as the "Ukiah-Boonville" Road, runs from Route 128 near Boonville, California to Route 101 near Ukiah, California, connecting the Anderson Valley to the Ukiah Valley across the mountains of the Mendocino Range.
State Route 253, also known as the "Ukiah-Boonville" Road, is a highway in Mendocino County, California. It runs from Route 128 near Boonville to Route 101 near Ukiah, connecting the Anderson Valley to the Ukiah Valley across the mountains of the Mendocino Range.