Metro-North/CDOT
Because it is not often that I am in Metro-North Railroad and Connecticut Department of Transportation's territory, I was especially interested in photographing some of their unique equipment. Fortunately, the Amtrak mainline passes by the MNRR/CDOT maintenance facilities at New Haven and Stamford.
I was most interested in photographing the M-2. M-4, and M-6 multiple-unit commuter cars that are jointly owned by MNRR and CDOT. These cars operate between Grand Central Terminal in New York City and New Haven, with an additional branch to New Canaan that is also electrified. Unlike the similar M-1 and M-3 cars that are operated by MNRR and the Long Island Rail Road, they can receive power from overhead catenary as well as third rail. Also, the M-4 and M-6 cars are mated in triplets instead of pairs as the M-1, M-2, and M-3 are. Since few or no photographs can be found online of the center car, I made a point of photographing one when I got the chance. Another interesting variant is the M-2 bar car, which has its center windows plated over and contains a cafe that commuters can purchase snacks from.
ConnDOT also operates several Budd SPV-2000 railcars - now called Constitution Liners - that were originally jointly owned by Amtrak and ConnDOT. After unsuccessful service, their diesel engines were removed and they are now used by ConnDOT as commuter coaches. They are typically found in the company of GP40P diesels, which are similar to the GP40MCs used by Boston's MBTA.