Жаңа Йорк метрополитенінің R68 вагондары

Class of New York City Subway car

The R68 is a B Division New York City Subway car order consisting of 425 cars built by the Westinghouse Amrail Company (aka Francorail), a joint venture of Westinghouse, ANF Industrie, Jeumont Schneider, and Alsthom. The cars were built in France from 1986 to 1988 and shipped through New York Harbor. Of the cars in the fleet, 416 are arranged in four car sets while the other nine are single cars. The R68 was the third R type contract to be built with 75 feet (23 m) cars (the previous two being the R44 and R46). The first R68 train entered service on June 20, 1986. The R68's manufacturers suffered from significant system integration problems, and the fleet became known as a "lemon" in its early years, but its performance was improved following modifications by the New York City Transit Authority. In the 2010s, a small number of R68s received experimental upgrades.

The R68 was the third R type contract to be built with 75 feet (23 m) cars (the previous two being the R44 and R46), which have more room for sitting and standing passengers per car than the 60 feet (18 m) cars that were used previously and afterward. Like the R44s and R46s, which are also 75 feet (23 m) long, they are prohibited from running on the BMT Eastern Division lines (J, L, M & Z trains) because of tight curves. This order was evolved from the R55, a proposed car that was considered in the early 1980s, but never left the drawing board, or purchased due to a lack of funding. Instead, more attention was paid to replacing the R12, R14, R15, and R17 fleets of the A Division, which were over 30 years old and worn out at the time. The cars, numbered 2500–2924, cost about $1 million each. They replaced many R10s dating from 1948, all remaining 6300 series R16s dating from 1954 to 1955, and some R27s and R30s dating from 1960 to 1962. The cars are built with stainless steel, and are graffiti resistant. The R68s are currently based in the Concourse Yard in the Bronx (cars 2500–2775) and the Coney Island Complex in Brooklyn (cars 2776–2924). The Concourse sets are currently assigned to the D, while most Coney Island sets are currently assigned to the , N, Q, and W, and cars 2916–2924 are assigned to the Franklin Avenue Shuttle. As built, the R68s were originally single units, with a full width cab on one end and a half width cab on the other end. The R68s on the shuttle remain as single units with OPTO switches added, while the rest of the fleet were reconfigured into sets of four.

On October 15, 1982, the Metropolitan Transportation Authority announced that it would purchase 225 cars from Westinghouse Amrail. The cars were built in France from 1986 to 1988 and shipped through New York Harbor. The first of the 225 cars were initially scheduled to arrive in January 1985, with the entire order complete in May 1986. The projected cost of the order was $210 million, or about $933,000 per car. There were two contracts to supply the R68 fleet. The primary order consisted of cars 2500–2724, while the option order consisted of cars 2725–2924. The R68, therefore, became the first subway fleet to have an option order.

The R68's manufacturers suffered from significant system integration problems. Poor communication and coordination between the car body builder (ANF Industrie) and the chassis assembler (Westinghouse) led to operational failures. Due to this, the R68s became known as a "lemon". During the beginning of service, the R68s had problems with malfunctioning doors, faulty wiring, electrical controls that suddenly lost power, and malfunctioning air brakes. In addition, the fleet had a high breakdown rate. Another problem occurred on November 11, 1986, when a train of R68s failed to climb the grade on the Manhattan Bridge. By April 1987, the MTA's manager of car equipment engineering estimated that 20 percent of the R68 fleet had faulty controllers (which controlled braking and acceleration). Extensive work performed by the New York City Transit Authority provided solutions to the fleet's many problems. The MTA was given a second option order of an additional 200 subway cars from Westinghouse Amrail. However, due to problems from the manufacturer, the MTA awarded it to Kawasaki. In 2010, the MTA proposed mid life technological upgrades for the R68s, including LED destination signs and automated announcements. LED lights were tested on cars 2860–2867. LED lights, door chimes (similar to those on the R142, R142A, and R179), and PA systems were tested on 2892–2895. Public Address and Intercom, LED displays, LCD displays, and CCTV, as well as Train Operator displays, were tested on cars 2844 and 2846. Display screens were tested on cars 2804–2807. LED lights and surveillance cameras were tested on 2792–2795. Each program gave out the date and time, and all retrofitted cars ran on the G. However, none of the displays indicated the next stops along the routes. All upgrades were later removed, and no further upgrades were implemented until early 2021, when car 2860 received a newer LED signage and CCTV system from Suzhou Huaqi Intelligent Technology. The entire consist was pulled from service on April 22, 2021, due to concerns over Suzhou Huaqi's ties to the Chinese government. It is unlikely that further technological improvements will be implemented in the near future.