USA: Riders on Connecticut’s busiest commuter line should expect about 30% fewer seats than usual on five separate weekends this fall — and for two of them, electric trains will be swapped for diesel entirely while crews tear down 130-year-old bridge infrastructure.

Amtrak Northeast Regional train crossing the WALK Bridge over the Norwalk River in Connecticut
An Amtrak Northeast Regional train crosses the WALK Bridge over the Norwalk River in Connecticut. Illustrative photo. Photo: Peter Rivera, CC BY 2.0.

The Connecticut Department of Transportation, Metro-North Railroad and Amtrak announced the schedule Aug. 13, with the first reduction weekend running Sept. 12-13 and four more spaced through Nov. 1, according to Greenwich Free Press. The cuts affect the New Haven Line between Stamford and New Haven; western segments between Grand Central and Stamford, including all Westchester County and Greenwich stations, are unaffected except for one Saturday-morning train.

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Why two weekends go all-diesel

The work replaces the 130-year-old WALK Bridge over the Norwalk River — a separate, older project from the $1.6 billion TIME-1 modernization Railway Supply covered in July, which targets a different stretch of the same corridor. On Sept. 12-13 and 19-20, crews will demolish the WALK Bridge’s legacy catenary wire infrastructure, so Metro-North will run a diesel-powered service plan between Grand Central and New Haven, with trains spaced roughly every 90 minutes through the work zone, according to Railpace Newsmagazine. During each affected weekend, service includes a shuttle between New Haven and Bridgeport plus main-line trains split between express Grand Central–Stamford runs and local Stamford–South Norwalk service.

What riders should plan for

CTDOT expects roughly five trains to operate during each work window with about 30% fewer total seats than a typical weekend schedule, and Amtrak service between New York and New Haven will be “extremely limited” on the same dates. Metro-North says it will issue specific schedules for the October work weekends in late September — meaning the exact October timetables are not yet available, only the general reduction pattern.

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