group include: R1, R4, R6, R7/A, and R9. Also in the R1–9 family was the R8A, which was a revenue collection car, or Money train. The R1–9s entered service...

the first of five subway car classes collectively referred to as the R1–9 fleet, with future passenger stock orders – including contracts R4, R6, R7/A...

1975 to 1978 for the IND/BMT B Division. They replaced all remaining R1–9 fleet cars and General Electric-powered R16s, and some R10s. The R46 order initially...

older cars in the R1–9 fleet. A total of 153 cars were built, numbered 1650–1802, and arranged as single units. They were the last R1–9 type cars that were...

operated solely with one family of subway cars - commonly referred to as the R1–9 fleet - comprising the R1s, R4s, R6s, R7/As and R9 cars. After the equipment...

of the traditional two 190 hp (140 kW) motors (the setup used in the R1–9 fleet), improved acceleration from 1.75 miles per hour per second (2.82 km/(h⋅s))...

Saturdays instead of Sundays. This train is made of vintage cars from the R1–9 fleet, which have been preserved by Railway Preservation Corp. and the New York...

numbered 400–899 to continue the R1's sequence of numbers. The R5 contract order was for trucks and motors for the R4 fleet. In 1932, each new car cost $30...

The Hawker Siddeley Nimrod R1 is a signals intelligence (reconnaissance) aircraft formerly operated by the Royal Air Force. The aircraft was a conversion...

HMS R1 was one of 10 R-class submarine built for the Royal Navy during the First World War. The boat was completed shortly before the end of the war and...