In the United States, trolley parks, which started in the 19th century, were picnic and recreation areas along or at the ends of streetcar lines in most of the larger cities. These were precursors to amusement parks. Trolley parks were often created by the streetcar companies to give people a reason to use their services on weekends.
The parks originally consisted of picnic groves and pavilions, and often held events such as dances, concerts and fireworks. Many eventually added features such as swimming pools, carousels, Ferris wheels, roller coasters, sports fields, boats rides, restaurants and other resort facilities to become amusement parks. Various sources report the existence of between 1,500 and 2,000 amusement parks in the United States by 1919.
One such location was Coney Island in Brooklyn, New York, where a horse-drawn street car line brought pleasure seekers to the beach beginning in 1829. In 1875, a million passengers rode the Coney Island Railroad, and in 1876 two million reached Coney Island. Hotels and amusements were built to accommodate both the upper-classes and the working-class. The first carousel was installed in the 1870s, the first Switchback Railway in 1881. It wasn't until 1895 that the first permanent amusement park in North America opened: Sea Lion Park at Coney Island. This park was one of the first to charge admission for entrance to the park in addition to selling tickets for rides within the park.
In 1897, it was joined by Steeplechase Park, the first of three major amusement parks that would open in the area. George Tilyou designed the park to provide thrills and sweep away the restraints of the Victorian crowds. The combination of the nearby population center of New York City and the ease of access to the area made Coney Island the embodiment of the American amusement park. In addition there was Luna Park (opened in 1903) and Dreamland (opened in 1904). Coney Island was a huge success, and by 1910 attendance on a Sunday could reach a million people.
Trolley parks declineEdit
By the early 20th century, there were hundreds of amusement parks, many of them starting as trolley parks, in operation around the USA. Every major city boasted one or more parks, often based on (or named) Coney Island, Luna Park, or Dreamland. This began the era of the “golden age” of amusement parks that reigned until the late 1920s. This was an era when the number of hours worked was reduced, while the amount of disposable income rose. The amusement parks reflected the mechanization and efficiency of industrialization, while serving as a source of fantasy and escape from real life.
With the increasing number of automobiles in use, urban trolley parks gradually declined, due to lack of parking and changing demographics in the urban areas. Although the automobile provided people with more options for satisfying their entertainment needs, amusement parks that were accessible by car continued to be successful and new parks were developed. It was urban trolley parks that saw declining attendance. By the end of the 1920s, amusement parks were to suffer steep declines for various reasons, particularly the Great Depression.
List of trolley parks still operatingEdit
While some trolley parks remain open as public parks without amusements, the following locations are still operating as amusement parks as of summer 2018. They are listed In alphabetical order, followed by the year in which they opened. 
- Bushkill Park, Easton, Pennsylvania, 1902
- Camden Park, Huntington, West Virginia, 1903
- Canobie Lake Park, Salem, New Hampshire, 1902
- Dorney Park & Wildwater Kingdom, Allentown, Pennsylvania, 1901
- Kennywood, Pittsburgh, Pennsylvania, 1898
- Lake Compounce, Bristol, Connecticut, 1846, oldest continuously operating amusement park in the US
- Lakemont Park, Altoona, Pennsylvania, 1894
- Lakeside Amusement Park, Denver, Colorado, 1907
- Midway Park, Maple Springs, New York, 1898
- Oaks Amusement Park, Portland, Oregon, May 30, 1905
- Quassy Amusement Park, Middlebury, Connecticut, 1908
- Seabreeze Amusement Park, Rochester, New York, 1879
- Waldameer Park, Erie, Pennsylvania, 1896
List of trolley parks now closedEdit
- Al Fresco Amusement Park, Peoria, Illinois
- Bay Shore Park, Edgemere, Maryland (Baltimore County), Maryland (near Baltimore, Maryland, 1906–1947; some structures remain in North Point State Park.)
- Big Island Amusement Park, Minneapolis, Minnesota (1906–1911)
- Bonnie Brae Park, Phoenixville, Pennsylvania
- Brandywine Springs Amusement Park, Newport, Delaware (1886–1923)
- Burnham Park, Burnham, Pennsylvania (ca 1903 to 1916, relocated to Kishacoquillas Park)
- Cascade Park, New Castle, Pennsylvania. (While the rides are gone, the park remains as a site for community events.)
- Chevy Chase Lake, Chevy Chase, Maryland
- C&ST Trolley Park Blue Island, IL (1911-1914) The site is now owned by the Cook County (IL) Forest Preserve District in use as a picnic grove.
- Chutes Park, Los Angeles, California (1887–1914)
- Clementon Park, Clementon, New Jersey, 1907
- Contoocook River Amusement Park, Penacook, New Hampshire (1893–1925)
- Council Crest Amusement Park, Portland, Oregon (1907–1929)
- Crescent Park, Riverside, Rhode Island
- Dellwood Park, Lockport, Illinois
- Dixieland Amusement Park, South Jacksonville (Jacksonville), Florida. (South Jacksonville Municipal Railways; destroyed in a hail storm.)
- Dominion Park, Montreal, Canada (Owned by the Montreal Suburban Tramway and Power company, precursor to today's publicly owned transit commission; closed 1937.)
- Eldora Park, Eldora, Pennsylvania, (Carroll Township, Washington County), (1901–mid-1940s)
- Electric Park, Detroit (1906–1928)
- Electric Park, Niverville, New York (1901–1917; Albany and Hudson Railroad; “largest amusement park on the east coast between Manhattan and Montreal”)
- Euclid Beach Park, Euclid, Ohio, then Cleveland, Ohio (1895—1969): When first opened, visitors came to the park on two steamers from downtown Cleveland. When the Humphrey Family took over direction of the park they agreed to discontinue boat service in return for one street car fare charge to the park from the provider. Initially a street car stop was built inside the park. (Euclid Beach Park, is Closed for the Season, 1977)
- Excelsior Amusement Park, Excelsior, Minnesota (1925–1973)
- Fleishhacker Pool and Zoo, San Francisco, California (1925-1971)
- Fontaine Ferry Park, Louisville, Kentucky (1905–1975)
- Forest Park, Ballston Lake, New York (1902–1927; operated by the Saratoga and Schenectady Railroad)
- Forest Park, Genoa, Ohio
- Fort George Amusement Park, Manhattan, New York
- Glen Park, west of Watertown, New York, Glen Park, New York
- Glen Echo Park, Glen Echo, Maryland (early 1900s–1968)
- Golden Spur Amusement Park, Niantic, Connecticut (operated by New London and East Lyme Street Railway)
- Great Falls Park, Great Falls, Virginia (operated by Washington and Old Dominion Railway)
- Highland Park, York, Pennsylvania (1891-1921)
- Idora Park, Oakland, California (1904–1929)
- Idora Park, Youngstown, Ohio (1899–1984)
- Indian Park, Montoursville, Pennsylvania (The park remains as a site for community events.)
- Kaydeross Park Saratoga Springs, New York, (operated by the Delaware and Hudson Railway)
- Kishacoquillas Park, between Burnham, Pennsylvania and Lewistown, Pennsylvania (relocated from Burnham Park in 1916; property and some structures survive as community park.)
- Lake Lansing Amusement Park, Haslett, Michigan (demolished 1972)
- Lake View Park, Sheboygan, Wisconsin 
- Lakeview Park (Lake Nipmuc Amusement Park), Mendon, Massachusetts
- Lakewood Amusement, Atlanta, Georgia (1906–1985)
- Lexington Park, Lexington, Massachusetts (1902-1920) 
- Lincoln Park, Dartmouth, Massachusetts (1894–1987)
- Lincoln Park, Hallville, Connecticut (operated by Norwich and Westerly Railway)
- Luna Park, Alexandria County (now Arlington County), Virginia (near Washington, D.C., 1906–1915)
- Luna Park, Charleston, West Virginia (1912–1923)
- Luna Park, Cleveland, Ohio (1905–1929)
- Luna Park, Pittsburgh, Pennsylvania (1905–1909)
- Luna Park, Scranton, Pennsylvania (1906–1916)
- Manawa Park, Council Bluffs, Iowa (closed in 1928)
- Mountain Park, Holyoke, Massachusetts (1897–1987)
- Neptune Beach, Alameda, California (1917-1939)
- Norumbega Park, Newton, Massachusetts (1897–1963)
- Oakland Park, Rockport, Maine (1902–?)
- Ocean View Park, Norfolk, Virginia (1879–1979)
- Olentangy Park, Columbus, Ohio
- Olympic Park, Irvington/Maplewood, New Jersey
- Ondawa Park Greenwich, New York (operated by the Delaware and Hudson Railway).
- Palisades Amusement Park, Cliffside Park, New Jersey and Fort Lee, New Jersey, (1898–1971)
- Paxtang Park, Harrisburg, Pennsylvania
- Pine Island Park, Manchester, New Hampshire
- Piney Ridge Park, Broad Brook, Connecticut (located on a branch of the Hartford & Springfield Street Railway, now along the line of the Connecticut Trolley Museum)
- Playland (also known as Playland at the Beach), San Francisco, California (1927–1972)
- Ponce de Leon Springs Park, Atlanta, Georgia
- Puritas Springs, Cleveland, Ohio 
- Ravinia Park, Highland Park, Illinois, now Ravinia Festival
- Riverhurst Park, Weston Mills, New York
- Riverside Amusement Park, Indianapolis, Indiana (1903–1970)
- Riverside Amusement Park, now Six Flags New England, Agawam, Massachusetts
- Rock City Park, Allegany, New York
- Rock Springs Park, Chester, West Virginia
- Rocky Glen Park, near Moosic, Pennsylvania (later became Ghost Town at the Glen before becoming New Rocky Glen)
- Ramona Park, East Grand Rapids, Michigan
- Savin Rock Amusement Park, West Haven, Connecticut (1870s–1966)
- Shady Grove Park, Uniontown, Pennsylvania
- Shellpot Park, near Wilmington, Delaware
- Suburban Gardens, Washington, D.C.
- Sutro Baths, San Francisco, California (1896-1966)
- Terrapin Park, Parkersburg, West Virginia
- Vanity Fair, East Providence, Rhode Island
- West View Park, West View, Pennsylvania
- Whalom Park, Lunenburg, Massachusetts
- White City, Atlanta, Georgia (1910–1925)
- White City, Indianapolis, Indiana (1906–1908)
- White City, Philadelphia, Pennsylvania (1898–1912)
- White City, Shrewsbury, Massachusetts
- Wildwood Amusement Park, Mahtomedi, Minnesota
- Willow Grove Park, Willow Grove, Pennsylvania (1896–1976; now the Willow Grove Park Mall, but still has a carousel inside the shopping mall.)
- Wonderland Amusement Park, Indianapolis, Indiana (1906–1911)
- Wonderland Amusement Park, Minneapolis, Minnesota (1905–1911)
- Oregon Electric Railway Museum—a trolley museum that, at its original location, was called the "Trolley Park"
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