APM: 12 Location: SR 20 and SR 49, Grass Valley Just as we merge onto SR 49 we’ll approach SR 174. APM: 12 Location: SR 20 and Bennett St, Grass Valley Long loads shouldn’t use SR 174. APM: 13 Location: SR 20 and Bennett St, Grass Valley Exit for SR 174 to Colfax.  E to SR 49, W to … Continue reading California State Route 20, SR 49 to SR 174