I-80 east at Exit 40 - I-680/Benicia/Green Valley Road. I-680 loops across the east side of the Bay Area, and ends in San Jose. This is the northern end of I-680.
End I-680 North at I-80
End I-680 north at I-80. I-80 heads east to Sacramento. I-80/CA-12 heads west to Napa and San Francisco.