| CSX Transporation | Berkshire Subdivsion | 42.30858 | -72.90154 | 30 |
| CSX Transporation | Boston Subdivsion | 42.33195 | -71.60142 | 35 |
| CSX Transporation | Nashua Subdivision | 42.27284 | -71.8686 | 100 |
| CSX Transporation | Portland Subdivision | 42.27284 | -71.8686 | 100 |
| CSX Transporation | Worcester Subdivision | 42.27284 | -71.8686 | 100 |
| Amtrak | Main Line (Mill River to Springfield) | 42.09099 | -72.59667 | 5 |
| Amtrak | Main Line (New Haven to Boston) | 42.14803 | -71.22063 | 16 |
| Bay Colony Railroad | Operations | 42.15549 | -71.44316 | 7 |
| Cape Cod Central Railroad | Operations | 41.72 | -70.4 | 30 |
| Berkshire Scenic Railway | Railroad Museum | 42.38059 | -73.21443 | 25 |
| Grafton and Upton Railroad | Operations | 42.17099 | -71.60977 | 6 |
| Housatonic Railroad | Operations | 42.25744 | -73.27557 | 20 |
| Massachusetts Central Railroad | Operations | 42.30519 | -72.20715 | 12 |
| Massachusetts Coastal Railroad | Fall River Subdivision | 41.70004 | -71.1401 | 4 |
| Massachusetts Coastal Railroad | Framingham Subdivision | 42.15266 | -71.35433 | 10 |
| Massachusetts Coastal Railroad | Middleboro Subdivision | 41.87388 | -70.98997 | 5 |
| Massachusetts Coastal Railroad | New Bedford Subdivision | 41.65981 | -71.0195 | 5 |
| Massachusetts Coastal Railroad | Operations | 41.8 | -70.32 | 30 |
| Massachusetts Bay Transportation Authority | Boston Terminal | 42.27284 | -71.8686 | 100 |
| Massachusetts Bay Transportation Authority | Fairmount Line | 42.29698 | -71.09138 | 5 |
| Massachusetts Bay Transportation Authority | Fitchburg Line | 42.45475 | -71.41564 | 22 |
| Massachusetts Bay Transportation Authority | Framingham/Worcester Line | 42.29651 | -71.46233 | 20 |
| Massachusetts Bay Transportation Authority | Franklin/Foxborough Line | 42.19281 | -71.25359 | 13 |
| Massachusetts Bay Transportation Authority | Greenbush Line | 42.24423 | -70.89565 | 10 |
| Massachusetts Bay Transportation Authority | Haverhill Line | 42.60713 | -71.05496 | 16 |
| Massachusetts Bay Transportation Authority | Kingston Line | 42.16116 | -70.88181 | 19 |
| Massachusetts Bay Transportation Authority | Lowell Line | 42.50597 | -71.20327 | 11 |
| Massachusetts Bay Transportation Authority | Middleborough/Lakeville Line | 42.07932 | -71.01925 | 18 |
| Massachusetts Bay Transportation Authority | Needham Line | 42.3145 | -71.1494 | 6 |
| Massachusetts Bay Transportation Authority | Newburyport/Rockport Line | 42.53735 | -70.8572 | 15 |
| Massachusetts Bay Transportation Authority | Providence/Stoughton Line | 42.08691 | -71.21239 | 22 |
| Massachusetts Bay Transportation Authority | Western Main Line | 42.27284 | -71.8686 | 100 |
| Massachusetts Bay Transportation Authority | Rail Operations | 42.29722 | -71.12153 | 25 |
| Massachusetts Bay Transportation Authority | Subway System | 42.35877 | -71.05795 | 5 |
| New England Central Railroad | Palmer Subdivision | 42.37255 | -72.26609 | 24 |
| Berkshire and Eastern | Conn River Main Line | 42.29854 | -72.62688 | 20 |
| Berkshire and Eastern | Freight Main Line | 42.27284 | -71.8686 | 100 |
| Berkshire and Eastern | East Deerfield Yard | 42.56675 | -72.56537 | 1 |
| Pioneer Valley Railroad | Easthampton Branch | 42.26636 | -72.67363 | 5 |
| Pioneer Valley Railroad | Holyoke Branch | 42.20355 | -72.61227 | 5 |
| Providence and Worcester | Operations | 42.05225 | -71.59966 | 20 |
