Driving is something Belmont student Kenya Stevens can live without. “It’s an expense and an aggravation I don’t have to consider,” she said as she walked toward a bus stop on 21st Avenue. Instead of dealing with the traffic the Hillsboro drivers that passed her by had to, she checked her smartphone to see when the closest bus will show up her stop. A few minutes later, with a swipe of her student ID, she can step onto a bus and eventually make it to her job at University Sch