{{Infobox Train | name = R1 | image = NYC Subway R1 100.jpg | imagesize = 250px | caption = R1 car 100 at 23rd Street on the Holiday Shopper's Special | interiorimage = | interiorcaption = | service = 1931–1976 | manufacturer = American Car and Foundry Company | factory = Berwick, Pennsylvania | family = Arnines | replaced = | yearconstruction = 1930–1931 | yearservice = | refurbishment = | yearscrapped = 1968–1977 | numberconstruction= | numberbuilt = 300 | numberservice = | numberpreserved = 4 | numberscrapped = 296 | successor = R40R42R44R46 | formation = Motorized single units (Half-width operator's cab at each end; conductor controls on exterior) | fleetnumbers = 100–399 | capacity = 56 seats | operator = Independent Subway SystemNYC Board of TransportationNew York City Transit Authority | depots = | lines = | carbody = Riveted steel | trainlength = | carlength = | width = | height = | floorheight = | platformheight = | entrylevelorstep = | art-sections = | doors = 8 sets of 45 inch wide side doors per car | maxspeed = | weight = | acceleration = | deceleration = ~ 3 mph/s | traction = Westinghouse ABF type UP143B switch group, with XM-29 master controller using Westinghouse 570 D-5 traction motors (190 hp each). Two motors per car (both on motor truck, trailer truck not motorized). | engine = | poweroutput = per traction motor | transmission = | aux = | powersupply = | hvac = | electricsystem = 600 V DC Third rail | collectionmethod = Contact shoe (Top running) | uicclass = | aarwheels = | bogies = | brakes = WABCO Schedule AMUE with UE-5 universal valve, ME-23 brake stand, and simplex clasp brake rigging. (Air Compressor: WABCO D-3-F) | safety = | coupling = WABCO H2A | multipleworking = | gauge = }} The R1 was the first New York City Subway car type built for the Independent Subway System (IND). 300 cars were manufactured between 1930 and 1931 by the American Car and Foundry Company, numbered 100 through 399, all arranged as single units. Nicknamed City Cars, the R1s were the first of five subway car classes collectively referred to as Arnines, or R1-9s, with future passenger stock orders – including contracts R4, R6, R7/A, and R9 – being virtually identical, with minor mechanical and cosmetic variations. The first