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System map (West Jersey and Seashore Railroad lines in red, Atlantic City Railroad lines in purple)
|Locale||Camden and Winslow Junction, New Jersey, to Atlantic City and Ocean City and Cape May|
|Dates of operation||1889–1933|
|Successor||Pennsylvania-Reading Seashore Lines|
|Headquarters||Camden, New Jersey|
The Atlantic City Railroad was a Philadelphia and Reading Railway subsidiary that became part of Pennsylvania-Reading Seashore Lines in 1933. At the end of 1925 it operated 161 miles of road on 318 miles of track; that year it reported 43 million ton-miles of revenue freight and 204 million passenger-miles.
Effective 1 April 1889, the Philadelphia and Reading Railway consolidated all of its railroads in Southern New Jersey into the Atlantic City Railroad.
On 20 July 1904, the regularly-scheduled train no. 25, which ran from Kaighn's Point in Camden, NJ to Atlantic City NJ, with Philadelphia and Reading Railway class P-4c 4-4-2 No.334 and 5 passenger cars, set a speed record. It ran the 55.5 miles in 43 minutes at an average speed of 77.4 mph. The 29.3 miles between Winslow Jct and Meadows Tower (outside of Atlantic City) were covered in 20 minutes at a speed of 87.9 mph. During the short segment between Egg Harbor and Brigantine Jct, the train was reported to have reached 115 mph.
Incorporated on 17 June 1873 by a group from Gloucester City, which wanted a rail line to link the busy passenger ferry landing at Kaighn's Point in Camden to the Gloucester City industrial area 3.9 miles (6.3 km) away, then from that point another 1.3 miles (2.1 km) to Mount Ephraim Borough.
A narrow gauge was required, as much of the right of way used existing city streets with sharp curves. Work began in January 1874 and the line from Kaighn's Point to Gloucester City opened on 14 February 1874. The line to Mount Ephraim Borough opened in May 1876. In the middle of November 1884, the Philadelphia and Reading Railway acquired the Camden, Gloucester & Mt Ephraim Railway. The Philadelphia and Reading Railway converted the track to in 1885.
During 1875, four of the Camden and Atlantic Board of Directors left, led by Samuel Richards who was an officer of the C&A for 24 years, to build a second railroad from Camden, New Jersey to Atlantic City NJ, by way of Clementon NJ. Incorporated on 24 March 1876. narrow gauge was selected because narrow gauge was successful at the time and saved in lower operating cost. Work began in April 1877. The track work was completed in 90 days. On Saturday, 7 July 1877 the final spike was driven and the 54.67-mile (87.98 km) line was opened. On 12 July 1878 the P&AC RY slipped into bankruptcy. The Philadelphia and Atlantic City Railway was acquired by the CNJ and the Philadelphia and Reading Railway for $1,000,000 on 20 September 1883. And the name was modified to Philadelphia and Atlantic City Railroad effective 4 December 1883. The first thing done was to convert the line to , which was completed on 5 October 1884. The Philadelphia and Reading Railway acquired full control on 4 December 1885.
This railroad was chartered on 13 March 1871 by the owners of one glassworks in Williamstown to build a line from Atco to Williamstown, and later to Glassboro NJ. The 9.5 mile line was completed in 1873. The line slipped bankruptcy in November 1881. The Williamstown Railroad had graded a line to Glassboro NJ but the rail was only laid 1.7 miles to Robanna NJ. The Williamstown Railroad was acquired by the CNJ and the Philadelphia and Reading Railway on 6 October 1883 at foreclosure sale. And the name was modified to Williamstown & Delaware River Railroad effective 7 December 1883. 
In the summer of 1883, the Williamstown & Delaware River Railroad track was laid to Glassboro. Now the line was 15.73 miles long. Also in 1883 a branch 1.20 miles long was built in Glassboro NJ as the Glassboro Railroad to the Whitney Brother's glass works. The Philadelphia and Reading Railway acquired full control on 4 December 1885. In 1887 a new extension was built to Mullica Hill NJ.
The Atlantic City Railroad was reincorporated on 14 June 1901 as a merger with other railroads......
The Camden County Railroad was incorporated on 17 September 1889 with the purpose of extending the ACRR's Gloucester Branch ex Camden, Gloucester & Mt Ephraim Railway between Mount Ephraim Borough and Spring Mills, home of the Bateman Manufacturing Company where two plants were in use constructing farm equipment. As of 31 December 1890, 5 miles of railroad were completed south of Mt. Ephraim. The remaining 2.19 miles were finished on 10 May 1891. Spring Mills saw its first train during the third week in March, while the first carload of farm equipment and tools did not leave Bateman Manufacturing until the beginning of April. Stations were constructed along the Camden County Railroad at Bellmawr, Runnemede, Glendora, Chews Landing formerly South Glendora, Blenheim, Blackwood, and Spring Mills, renamed Grenloch (in Gloucester Township, New Jersey ) upon completion of the line. After construction was complete, the Camden County Railroad, which had been established with the sole purpose of constructing this extension, was leased to the Atlantic City Railroad. Atlantic City Railroad Timetable No. 3, effective 14 April 1892, was the first to show trains operating on the Gloucester Branch between Mt. Ephraim and Grenloch.
This particular line existed from 1863 until the 1920s, and ran from Sunset Beach in Lower Township, around the Point to South Cape May (now known as South Meadows), into Cape May City, out to Sewell's Point (now the Coast Guard Training Center), and back around to Schellenger's Landing, where visitors could then connect to Philadelphia-bound trains.
Ocean City Junction to Ocean City
9 June 1880 Pleasantville & Ocean City Railroad incorporated in New Jersey; William Massey, Pres. (Val)
26 October 1880 Pleasantville & Ocean City Railroad (/ narrow gauge) opens between Pleasantville and Somers Point, N.J.; operated by Philadelphia & Atlantic City Railway; opening excursion runs from Philadelphia to Ocean City; Ocean City Association operates connecting steamboat between Somers Point and Ocean City. (Val, Lee)
May 1882 William Massey sells the Pleasantville & Ocean City Railroad to the West Jersey and Atlantic Railroad.
1 June 1882 The West Jersey and Atlantic Railroad leases the Pleasantville & Ocean City Railroad and converted to on 4 June 1882.
7 August 1889 Brigantine Beach Railroad incorporated in New Jersey to build from Pomona on the Camden and Atlantic Railroad to Brigantine Island.
21 April 1890 Pomona Beach Railroad incorporated in New Jersey to build from Camden and Atlantic Railroad to the Atlantic City Railroad at Pomona, to connect the Brigantine Beach Railroad with the ACRR.
18 August 1890 Brigantine Beach Railroad and Pomona Beach Railroad are leased to Atlantic City Railroad.
27 January 1891 Pomona Beach Railroad consolidated with Brigantine Beach Railroad, that now runs from Brigantine Beach to Brigantine Junction 13.90 miles.
1893 Brigantine Transit Company built as an electric trolley line, The road extends along Brigantine Beach NJ a distance of six and one quarter miles.
27 June 1895 The secretary of Brigantine Transit Company, George H. Cook buys the Brigantine Beach Railroad at foreclosure sale.
1 April 1896 the Brigantine Beach Railroad reincorporated as Philadelphia & Brigantine Railroad; George H. Cook Pres.; The Philadelphia & Brigantine Railroad lease Brigantine Transit Company.
30 September 1897 Atlantic City Railroad canceled the lease of Philadelphia & Brigantine Railroad.
12 September 1903 Storm destroys trestle leading to Brigantine Island on Philadelphia & Brigantine Railroad. (Coxey)
9 October 1903 Philadelphia & Brigantine Railroad abandons all service. (Coxey)
On 2 November 1932, the Pennsylvania Railroad and Reading Company joined their southern New Jersey railroad lines into one company, The Pennsylvania-Reading Seashore Lines which the Pennsylvania Railroad had a 2/3 ownership, And the Reading Company had a 1/3 ownership.[page needed]