You can now read 10 articles a month for free. Read as much as you want anywhere and anytime for just 99¢.

A sonic education on the Green Line

Continue reading below

From the mouths of babes: Our 3½-year-old granddaughter is taken to preschool on the Green Line. Recently at home she was idly rolling around the toilet paper roll, and it was squeaking, squeaking, squeaking. She looked up brightly and said, “Green Line!”

Ann Hershfang

Boston

Loading comments...

You have reached the limit of 10 free articles in a month

Stay informed with unlimited access to Boston’s trusted news source.

  • High-quality journalism from the region’s largest newsroom
  • Convenient access across all of your devices
  • Today’s Headlines daily newsletter
  • Subscriber-only access to exclusive offers, events, contests, eBooks, and more
  • Less than 25¢ a week