[7] The Old Colony Railroad, which had acquired the F&L in 1879, constructed a union station at the southeast corner of the junction of the two lines around 1887-91.

[5] Service on the CM past Clinton ended in 1932 and on the branch to Marlborough in 1939; by 1950, there were just four daily round trips.

[8][2] The Massachusetts Bay Transportation Authority (MBTA) was formed in August 1964 to subsidize suburban commuter rail service.

[1][7] On November 26, 1971, the remaining South Sudbury round trip was discontinued due to poor track conditions and dwindling ridership.

In 2022, a buried transmission line project between Sudbury and Hudson began construction under the former Massachusetts Central Railroad ROW.

[12] The Bruce Freeman Rail Trail section south of the diamond crossing is in design and funded for construction in 2029.

[14] DCR will place an interpretive sign describing the history of the Section Tool House for the benefit of the future users of the Mass Central Rail Trail—Wayside.