Sections of the line constructed in trench are represented with the same line style as the at-grade sections.
The project maps are based on information retrieved from OpenStreetMap and our research. Please contact us if you have more accurate information regarding this project.
* It’s in the same right-of-way as a commuter line so it can plausibly be 1 and not 0.
** Only 6 new stops, but Lechmere is rebuilt, so 7.
*** Including rolling stock, which is $118 million per https://www.railwaygazette.com/long-reads/boston-building-a-better-t/55983.article, for a total balance of 2,182.