APM: 36 Location: SR 20 and SR 45, Colusa Cty No reassurance shield as SR 45 joins SR 20. APM: 32 Location: SR 20 and Country Club Dr, Colusa A few miles later we’ll enter Colusa. APM: 32 Location: Bridge St and Sioc St, Colusa Reassurance shield as we enter Colusa. APM: 31 Location: Bridge St and Market St, … Continue reading California State Route 45, SR 20 to SR 20