Getting the South Coast Rail up and running is a passion for top MBTA official

After 40 years of planning, work and more than one billion dollars, starting Monday morning, rail service will connect South Coast communities, including New Bedford and Fall River with Boston.

For the MBTA's Chief Operating Officer Ryan Coholan it will be a day to celebrate a passion he's had since childhood.

He spoke with WBUR Weekend Edition's Josie Guarino.