AMP: 321 Location: State St and Centennial St, Rigby No reassurance shield at the beginning of the business loop AMP: 321 Location: State St and Centennial St, Rigby Welcome to Rigby, home of the inventor of the television. AMP: 321 Location: State St and W 2nd S, Rigby At the light, we’ll approach SH-48. This is also part … Continue reading U.S. Route 20 Business, US-20 to SH-48