APM: 17 Location: Broadway and US-101, Santa Maria Reassurance shield as SR 135 and 101 Business begin. Because this 101 loop is mostly state maintained, it is better signed than just about any other business route in California. APM: 17 Location: Broadway and Roermer Way, Santa Maria Welcome to Santa Maria! APM: 16 Location: Broadway and Alvin Ave, … Continue reading U.S. Route 101 Business, US-101/SR 135/SR 166 to SR 166