. >> for 75-year-old bus driver walter cannon there is plenty about this job that drives him. >> there people here good people that is part of life. >> it was 1966 when he got the job now known as septa, now inching close to his 50th year behind the wheel. >> see a lot of changes in philadelphia and i'm still here, like the millions of passengers he has transported around the city nearly five decades, cannon has adapted to the changing times, his miles have carried him through a civil rights movement and a growing skyline and a system of streets that change so much, the younger operators just don't believe his story. >> you come down the expressway and vine street and 16th street is where it ended. he is the longest road operator and has been rewarded for safe driving 18 times his route from center city has him logging 50 mile a day, it's the people and love of the job that keeps him going. >> this job is like a therapy. i'm constantly moving. cannon is thinking about making his final stop after 50 years to spend time with his wife. >> i have been enjoying life since i have been here,