APM: N/A Location: MLK Dr and Charter Way, Stockton Just after 99 Business south joins, we’re advised to keep right ahead to continue to 99 Business south. Location: MLK Dr and Mariposa Rd, Stockton Keep right for 4 Business and 99 Business. This used to be the 4/99 junction, with SR 4 continuing straight. These business … Continue reading California State Route 4 Business, SR 99 Bus to SR 99 Bus