The Quad Cities is a region of cities in the U.S. states of Iowa and Illinois: Davenport and Bettendorf in southeastern Iowa, and Rock Island, Moline and East Moline in northwestern Illinois. These cities are the center of the Quad Cities metropolitan area, a region within the Mississippi River Valley, which as of 2013 had a population estimate of 383,781 and a Combined Statistical Area (CSA) population of 474,937, making it the 90th-largest CSA in the nation.
Rock Island is a city in and the county seat of Rock Island County, Illinois, United States. The population was 37,108 at the 2020 census. Located at the confluence of the Rock and Mississippi rivers, it is one of the Quad Cities along with neighboring Moline and East Moline in Illinois and the cities of Davenport and Bettendorf in Iowa. The Quad Cities had a population of 384,324 in 2020. The city is home to Rock Island Arsenal, the largest government-owned weapons manufacturing arsenal in the US, which employs 6,000 people. The original Rock Island, from which the city name is derived, is now called Arsenal Island.
Quad Cities International Airport is a public airport in Rock Island County, Illinois, three miles (5 km) south of Moline, partly in Blackhawk Township and partly in Coal Valley Township. In 2012 it was named "Illinois Primary Airport of the Year". It serves the Quad Cities Metropolitan area, including Davenport and Bettendorf in Scott County, Iowa as well as Moline in Rock Island County, Illinois.
The Illinois Service, branded Amtrak Illinois, comprises three passenger rail routes operated by Amtrak in the American state of Illinois. The Illinois Service is funded primarily by the Illinois Department of Transportation (IDOT) and falls under the broader Amtrak Midwest brand.
The Lincoln Service is a 284-mile (457 km) higher-speed rail service operated by Amtrak that runs between Chicago, Illinois and St. Louis, Missouri. The train is a part of the Illinois Service and is partially funded by the Illinois Department of Transportation. The train uses the same route as the long-distance Texas Eagle, which continues to San Antonio and Los Angeles. A connection with the Kansas City-bound Missouri River Runner is available in St. Louis.
The Chicago Hub Network is a collection of proposed fast conventional and high-speed rail lines in the Midwestern United States including 3,000 miles (5,000 km) of track. Since the 1990s, there have been multiple proposals to build a network from Chicago to destinations such as Milwaukee, Madison, Minneapolis, Indianapolis, Detroit, Kansas City, St. Louis, Cleveland, Cincinnati, and Louisville. In addition, the rail lines from the Chicago hub would connect through to cities in Canada. Eastern routes from Chicago would also blend into the Ohio Hub network. In addition to providing better connections between Midwestern cities, the projects are intended to reduce or eliminate the operating subsidies that American passenger train routes currently require.
The Iowa Interstate Railroad is a Class II regional railroad operating in the central United States. The railroad is owned by Railroad Development Corporation of Pittsburgh, Pennsylvania.
The Interstate 74 Bridge, officially known as the Iowa-Illinois Memorial Bridge, and often called The Twin Bridges, or the I-74 Bridge, are basket-handle, through arch twin bridges that carry Interstate 74 across the Mississippi River and connect Bettendorf, Iowa, and Moline, Illinois. It is located near the geographic center of the Quad Cities.
The Black Hawk was an Amtrak passenger train service that operated from 1974 to 1981 between Chicago, Illinois, and Dubuque, Iowa, via Rockford, Illinois. The original Black Hawk operated over the Illinois Central route, now the Canadian National's Chicago Central/Iowa Zone.
WQAD-TV is a television station licensed to Moline, Illinois, United States, serving the Quad Cities area as an affiliate of ABC. Owned by Tegna Inc., the station maintains studios on Park 16th Street in Moline, and its transmitter is located in Orion, Illinois.
Galesburg is an Amtrak intercity train station in Galesburg, Illinois, United States. The station was originally built in 1984, after the razing of the large depot just south of the current site. It is located north of the large BNSF Classification yard. Just south the Illinois Zephyr and Carl Sandburg diverge via the Quincy main line which bypasses the yard on the east side. The California Zephyr and the Southwest Chief continue to the southwest side of Galesburg near Knox College.
The Prairie Marksman was a daily passenger train operated by Amtrak between Chicago's Union Station and East Peoria, Illinois. The route was an indirect successor to the Rock Island's Peoria Rocket.
The Rock Island Lines Passenger Station, also known as Abbey Station, is a historic building located in Rock Island, Illinois, United States. It ceased operating as a railway station in 1980. The building was listed on the National Register of Historic Places in 1982, and it was designated a Rock Island landmark in 1987.
The Dispatch–Argus is a daily morning newspaper in Davenport, Iowa and circulated primarily throughout the Illinois side of the Quad Cities — Moline, East Moline, Rock Island and Rock Island County, but also for sale in retail establishments on the Iowa side of the Quad Cities — Davenport and Bettendorf. The Dispatch is circulated in and around Moline while The Rock Island Argus is circulated in and around that city. The two are essentially the same newspaper, only with different front covers. They have a combined circulation of about 25,000.
WMWC-TV is a religious television station licensed to Galesburg, Illinois, United States, serving the Quad Cities area as an owned-and-operated station of the Trinity Broadcasting Network (TBN). The station's studios are located on 44th Avenue in Moline, and its transmitter is located in Orion, Illinois.
The Joliet Transportation Center is a multimodal mass transit center linking passenger bus routes, two Metra commuter lines, and Amtrak passenger trains in the city of Joliet, Illinois. It has replaced Joliet Union Station as the commuter and passenger train station serving Joliet. Union Station ceased to provide train service in September 2014, and a temporary station opened. Groundbreaking for the new Joliet Transportation Center took place late in 2016, with construction beginning shortly afterward. After several delays, the station officially opened on April 11, 2018.
The Quad Cities is a planned Amtrak Illinois Service intercity passenger train that will operate between Chicago and Moline in the US state of Illinois. The train will duplicate the route and stations of the Carl Sandburg and Illinois Zephyr between Chicago and Wyanet using track owned by BNSF. On the Wyanet–Moline segment, which will include a station at Geneseo, the train will use track owned by Iowa Interstate Railroad.
The Twin Cities-Milwaukee-Chicago (TCMC) service, unofficially referred to as Great River or Borealis, is a planned Amtrak intercity passenger train that will operate daily between Chicago, Illinois, and Saint Paul, Minnesota, via Milwaukee, Wisconsin. Service is expected to begin in 2024 under the Amtrak Midwest brand.
KFQC was a radio station licensed to Davenport, Iowa, United States, serving the Quad Cities area and broadcasting on 1580 kHz AM. It was last owned by Quad City Minority Broadcasters, Inc., and operated from 1952 to 1998.
The Rockford Intercity Passenger Rail is a proposed Metra inter-city rail service between Chicago and Rockford, Illinois. The project is being led by the Illinois Department of Transportation (IDOT) funded with $275 million through the Rebuild Illinois capital plan. The route is expected to begin by late 2027, reinstating rail service to Rockford for the first time in over 40 years after the discontinuation of Amtrak's Black Hawk in 1981.
Quad Cities MetroLINK 
Amtrak Thruway 
