The MWRTA is very pleased to announce the addition of the NEW Route 4 Saturday bus service beginning Saturday SEPTEMBER 7th. Please click the link for more information. PLEASE NOTE: The new Saturday schedule is still under construction on the website. We appreciate your understanding as we input the most current information. If you plan on taking the new service on Saturday, 9/14/13, please call customer service at 508-935-2222 to get the most up to date schedule times or ask the Route 4 driver for a schedule.