Brown Line (CTA)

The Brown Line begins on the northwest side of Chicago, at the Kimball terminal in Albany Park, where there is a storage yard and servicing shop for the trains to the east of the passenger station. From there, trains operate over street level tracks between Leland and Eastwood Avenues to , then ramp up to the elevated structure for the rest of the trip. The trains on the street-level section are powered by third rail rather than overhead catenary (the technology used by most other U.S. electric-powered at-grade rail systems), a decision that exposes wayward pedestrians to the risk of electrocution. A fatal accident in 1977 involving an intoxicated man, who did not speak English and was unable to read the posted warning signage, attempted to urinate on the third rail at the station eventually resulted in an Illinois Supreme Court decision in 1992 affirming a verdict of $1.5 million against CTA. After the station, the route turns south, about one-half block parallel and west of Metra's Union Pacific North railroad line and Ravenswood Avenue to a point south of the station. Here the route turns east again and runs parallel to Roscoe Street past Sheffield Avenue where it once again turns south at Clark Junction to join the four-track North Side elevated line in Lakeview. From just north of Belmont station south to , Brown and Red Line trains operate side by side, with Purple Line Express trains sharing the tracks with the Brown Line during weekday rush hours. Brown and Purple Line trains run on the outermost tracks serving five stops, while Red Line trains run on the innermost tracks making only two stops. South of the Armitage station, Brown and Purple Line trains continue southward towards the Chicago Loop on elevated tracks which zigzags its way through the neighborhoods of Lincoln Park and Near North Side stopping at and . Running over Franklin, then Wells Street, a stop is made at the before crossing the Chicago River on the upper level of the Wells Street Bridge before joining the Loop Elevated at Lake Street. Operating counter-clockwise, Brown Line trains operate around the Loop on the Outer track via Wells-Van Buren-Wabash-Lake, serving all Loop stations, before the return trip back north to the Kimball terminal. The Brown Line is the only route to make a full circuit around the Loop counter-clockwise. Only Harlem-bound Green Line trains share tracks with the Brown Line on the north and east segments of the Loop. There are three sections of the Brown Line which includes the Ravenswood Branch that connects from Kimball Avenue station to Belmont Avenue station; merging from the Purple Line Express. Another is the North Side Main Line which connects from Belmont Avenue station to the Merchandise Mart before entering the Loop. The Brown Line enters the loop going counter-clockwise from to and then exits the Loop, heading towards the Kimball Avenue station. ==Operating hours and headways==

The Brown Line operates between Kimball and the Loop weekdays and Saturdays from 4 a.m. to 2:10 a.m. and on Sundays from 5 a.m. to 1:40 a.m. On weekdays, service runs between three and eight minutes during rush hour, seven to eight minutes during midday, then six to twelve minutes during nighttime. On weekends, early morning service operates every fifteen minutes, then increases to seven to eight minutes on Saturdays during the day and ten minutes on Sundays during the day, then at nighttime every ten to twelve minutes. Late night service operates every fifteen minutes until the end of service. During morning rush hour, several Brown Line trains bound for the Loop continue toward the Orange Line after stopping at the Harold Washington Library station; whereas several Orange Line trains bound for Kimball continue as the Brown Line after stopping at Adams/Wabash station. This is done to allow extra service on the Brown Line by borrowing Orange Line rolling stock, due to the limited capacity of the Kimball Yard. While this service does not have an official name, the CTA internally refers to it as the Tiger Line (due to the two colors resembling the stripes of a tiger). == Rolling stock ==

The Brown Line is operated with the 2600-series and 3200-series railcars. The Brown Line operates using eight cars during weekday rush hours and four cars at other times. In the meantime, CTA has completed the process of overhauling the 3200-series cars with color LED destination signs (similar to the 5000-series cars), new air conditioning systems, rebuilt propulsion systems, passenger door motors, and wheel/axle assemblies. The 3200-series rehabilitation began in 2015 and was completed in 2018. Later that year, some of the Brown Line's 3200-series cars were transferred to the Blue Line, with some of the Orange Line's 2600-series cars being transferred to the Brown Line. Beginning in March 2008, the Brown Line began running eight cars during rush hours, since all of the reopened or renovated stations have been rebuilt to accommodate eight cars. Prior to this, most stations on the line couldn't berth longer than six cars. Eight cars has since become standard for all Brown Line trains. ==History==

The Northwestern Elevated Railroad opened the line, originally known as the Ravenswood line, between the existing main line and Western Avenue in Lincoln Square on May 18, 1907. The route was completed to the Kimball terminal on December 14, 1907. The Kimball terminal was completely renovated and a new bridge over the North Branch of the Chicago River was completed in the 1970s. The Western and Merchandise Mart stations were rebuilt in the 1980s. Prior to the start of the Brown Line Capacity Expansion Project, these two stations, along with the Kimball terminal were the only ADA accessible stations on the Brown Line outside of the Loop. Brown Line Capacity Expansion Project The Brown Line Capacity Expansion Project which ran from 2004 to 2009 was undertaken to repair aging infrastructure and increase passenger capacity. Work on the project began in late 2004 with signal upgrades, particularly at Clark Junction. In February 2006, station reconstruction began with right-of-way modernization between Kimball and Rockwell Avenue. Traction power equipment and train control systems were upgraded and a new fiber optic communication network installed. Brown Line stations were rebuilt or modified meet ADA compliance and to accommodate eight-car trains, increasing from the previous maximum of six-cars. Merchandise Mart was the only station not to receive any work as it had previously been reconstructed from 1987 to 1988, and was already ADA compliant and able to accommodate eight-car trains. Two stations, Kimball and Western, received small platform extensions but little other work, and the other 16 stations were completely rebuilt. The first two stations to be completed, Kedzie and Rockwell, reopened on August 16, 2006, and all of the stations had reopened by July 30, 2009, when the new Wellington station entered service. The project was completed on December 31, 2009. Red-Purple Bypass The Red & Purple Modernization Project includes a redesign of a diamond junction north of Belmont Station into a flyover allowing Brown Line trains going north to circumnavigate crossings with Red and Purple Line trains. The project decreased train backups and increased the number of trains that can cross the junction per hour. The project was criticized by 2015 mayoral candidate Chuy García and local residents in the Lakeview neighborhood who organized a referendum to stop it. The Federal Transit Administration passed the CTA's environmental review on the bypass in January 2016 and received a $1.1 billion federal grant the following year. Sixteen properties affected by the bypass were demolished, while the historic Vautravers Building was relocated west to preserve it. Construction on the bypass began on October 2, 2019, and the bypass was opened to its first train at 4 a.m. on November 19, 2021. == Station listing ==

• Note: After stopping at Clark/Lake, Brown Line trains return to Merchandise Mart, then make all stops back to Kimball. == References ==