Introducing the Lower Mystic Link, a no-fare public service running between Charlestown and Market Basket / Chelsea Station through Everett. Operates 7 days a week during peak commuting hours. Monday through Friday, you can catch a ride from 6:00 - 10:00 am and again from 3:00 - 7:00 pm. Saturday and Sunday will run midday service from 10:00 am - 2:00 pm.