I believe your observation relates to the operation of SENH/NHSE in (or about) 1988 when these trains were operated via Danbury, to provide a window for the single-tracking of the Boston Line (B&A), plus two clearance improvement projects to handle multilevels. The operation first required about 12 miles of tie replacement between Beacon and Hopewell Jct. By the mid-1990s, however, the balance of the Maybrook Line, due for extensive work, was earmarked for the Line Sale Program and these trains reverted to the Boston Line via Springfield.
Since about 1969, the SEOP/OPSE was routed via the Hudson Line and Mott Haven until completion of the Oak Point Link, which eliminated the 5 AM crossover operation at Mott Haven, which had been a serious risk against the early morning Metro-North commuter fleet.
Since about 1969, the SEOP/OPSE was routed via the Hudson Line and Mott Haven until completion of the Oak Point Link, which eliminated the 5 AM crossover operation at Mott Haven, which had been a serious risk against the early morning Metro-North commuter fleet.