[3] Starting in May 1849, Norfolk County Railroad trains ran via the Dedham Branch, using it and the B&P main line as its entry to Boston; this ended when the Boston and New York Central Railroad (the successor to the Norfolk County) opened its own route from Islington to Boston in January 1855, but resumed in August 1855 as the result of an injunction preventing the operation of the B&NYC's new Islington-Boston route, before ending again in March 1857.

[3] In June 1850, a new B&P branch opened from Tollgate station to Dedham via West Roxbury, and all B&P Boston-Dedham commuter service was shifted to this new route.

Passenger service on the original Dedham Branch continued (although not scheduled for Boston commuting), but was switched to a combination of through trains and horse-drawn Readville-Dedham shuttles.

), largely in order to save the rapidly declining commuter rail lines feeding into Boston.

[1] Despite now being subsidised by the MBTA, commuter rail service on both the Dedham and Millis Branches (by now consisting only of a single rush-hour round trip in each direction daily) was discontinued a year later, on April 21, 1967.