Getting on a bus for the first time can feel awkward for some. If the last bus you took was a yellow school bus, you might be due for a refresher course. RTS has scheduled a “How to Ride the Bus” transit orientation for 10 a.m. to noon, Tuesday, April 29, at Rochester Genesee Regional Transportation Authority (RGRTA) John G. Doyle Jr. Administration Building located at 1372 East Main Street . The orientation is the first of a series designed to help guide first-time riders of any age or those who might need a brush up. All are free and open to the public…