page_title: Eastern Massachusetts Street Railway
hierarchical_section_title: Eastern Massachusetts Street Railway
caption_attribution_description: English: 1930s map of Eastern Massachusetts Street Railway streetcar and bus lines. The Sumner Tunnel use indicates it is post-1934.
context_page_description: The Eastern Massachusetts Street Railway was a streetcar and later bus company in eastern Massachusetts, serving most suburbs of Boston, Massachusetts. it was known as the Bay State Street Railway until 1919. It was acquired by Massachusetts Bay Transportation Authority, which still runs some of its routes, in 1968.
context_section_description: The Eastern Massachusetts Street Railway (Eastern Mass) was a streetcar and later bus company in eastern Massachusetts, serving most suburbs of Boston, Massachusetts. it was known as the Bay State Street Railway until 1919. It was acquired by Massachusetts Bay Transportation Authority, which still runs some of its routes, in 1968.
caption: 1930s map of Eastern Mass streetcar and bus lines
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