No. Motor Cars Northwestern Elevated 302 Chicago & Oak Park Elev. 84 Metropolitan West Side Elev. 253 South Side Elev. 369 ───────── Total 1,008 In addition to the motor cars there are available for use on the several divisions about 660 coaches which can be used as trailers. Supplemental to the regular elevated service the Chicago Elevated System affords entrance to the business section of the city to the Chicago, North Shore & Milwaukee R. R. an affiliated line operating a high speed interurban service between Chicago and Milwaukee. This line enters from the north operating over the Northwestern division at Evanston. Connection is also made at Des Plaines at the end of the Garfield Park Branch with the Chicago, Aurora & Elgin R. R., a high-speed third-rail line reaching Aurora, Elgin, Batavia, Geneva and other points west. These trains also enter the city running over the Metropolitan West Side tracks into the loop district. [Illustration: 4-CAR TRAIN ON NORTHWESTERN ELEVATED EQUIPPED WITH GE-243 MOTORS] ------------------------------------------------------------------------ HUDSON & MANHATTAN R. R. The Hudson & Manhattan R. R. Conducts a Heavy Passenger Traffic Between Lower Manhattan and Jersey City points and between an uptown station at 33rd. St. and Hoboken, N. J. Rapid Transit service is also maintained between Hudson Tunnel and Newark over the tracks of the Pennsylvania R. R. These lines popularly known as the Hudson Tubes are to a large extent operated through tunnels under the Hudson River. Direct under-river connection is made between New York and the stations of the Erie, D. L. & W. and Pennsylvania Railroads. The total mileage of the system is made up as follows: Miles of road 7.869 Extra track 8.634 Sidings, etc. .332 Car Houses and Shops 1.920 ────── Total 18.768 The road was opened in February, 1908, for transportation of passengers from Jersey City to lower Manhattan and later to the uptown terminal. [Illustration: 6-CAR TRAIN ON HUDSON & MANHATTAN RAILROAD EQUIPPED WITH GE-76 MOTORS AND TYPE M CONTROL] [Illustration: 3-CAR TRAIN FOR NEWARK RAPID TRANSIT SERVICE EQUIPPED WITH GE-212 MOTORS AND TYPE M CONTROL] [Illustration: HUDSON AND MANHATTAN RAILROAD] [Illustration: TWO 35,000-KW. CURTIS TURBINES IN WATERSIDE STATION NO. 1 NEW YORK EDISON COMPANY] The electrical equipment, which was furnished throughout by the General Electric Company, includes: