On the afternoon of July 1st, 2025, the Metro North/ Department of Transportation Geometry Train, led by EMD GP35r 106, rounds the curve at the Springdale Cemetery on the New Canaan Branch in Darien, Connecticut. The train traversed all of Metro-North's mainline track while the Federal Railroad Administration’s (FRA) former Metroliner, DOTX 216 inspection car, collected geometry data for the FRA and the U.S. Department of Transportation.