APM: N/A Location: Carpenter Rd and 9th St, Modesto Just after it begins, SR 99 Business makes an unmarked, unsignalized left onto 9th Street. Location: 9th St and Carpenter Rd, Modesto No reassurance shield after the turn. Modesto’s done a nice job dieting this road and adding a protected cycle track. Location: 9th St and L … Continue reading California State Route 99 Business, SR 99 to SR 108/SR 132