I Can’t Sleep - Chicago L | Gentle Bedtime Reading for Sleep
Episode Date: July 4, 2025Unwind with this calm bedtime reading designed to ease insomnia and restless nights. Tonight’s soothing episode explores the Chicago “L,” the historic elevated train system that has become a def...ining feature of the city. You’ll learn about its origins, how it grew into a vital part of Chicago’s identity, and its role in public transportation today, all shared in Benjamin’s steady, peaceful narration. There’s no whispering or hypnosis—just gentle, fact-filled storytelling to quiet the mind and bring relaxation. Press play, settle in, and drift into restful sleep. Want More? Request a Topic: https://www.icantsleeppodcast.com/request-a-topic Ad-Free Episodes: https://icantsleep.supportingcast.fm/ Shop Sleep-Friendly Products: https://www.icantsleeppodcast.com/sponsors Join the discussion on Discord: https://discord.gg/myhGhVUhn7 This content is derived from the Wikipedia article on Chicago “L”, available under the Creative Commons Attribution-ShareAlike (CC BY-SA) license. Read the full article: Wikipedia - Chicago “L”. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Welcome to the I Can't Sleep podcast, where I help you drift off one fact at a time.
I'm your host, Benjamin Boster, and today's episode is about the Chicago L Transit System.
Thanks to Georgiana Port for sponsoring today's episode.
The Chicago L, short for elevated, is the rapid transit system serving the city of Chicago
and some of its surrounding suburbs in the U.S. state of Illinois.
Operated by the Chicago Transit Authority, CTA, it is the fourth largest rapid transit system
in the United States in terms of total route length at 102.8 miles long
as of 2014, and the third busiest rapid transit system in the United States, after the New York City
subway and the Washington Metro. As of January 2024, the L had 1,480 rail cars operating across
eight different routes on 224.1 miles of track. CTA trains make about 1,8,000,000,000.
888 trips each day, servicing 146 train stations. In 2024, the system had 127,46,400
000, 400 rides, or about 360,100 per weekday in the first quarter of 2025. The L provides 24-hour service on the
red and blue lines, making Chicago, New York, and Copenhagen the only three cities in the world
to offer 24-hour train service on some of their lines throughout their respective city limits.
The oldest sections of the Chicago L started operations in 1892, making it the second oldest
rapid transit system in the Americas after the New York City's elevated lines.
The L gained its name from L, spelled E-L, because large parts of the system run on elevated track.
Portions of the network are on subway tunnels at grade level or in open cuts.
The L has been credited for fostering the growth of Chicago's dense city core that is one of the city's distinguishing features.
And according to urban engineer Christoph Spiller,
the system stands out in the United States because it continued to invest in services
even through the post-World War era growth of the expressway.
Its general use of alleyways instead of streets throughout its history
and expressway mediums after the war
better knit the system into the city and in pioneering ways.
It consists of eight rapid-trial.
transit lines laid out in a spoke hub distribution paradigm, focusing transit towards the loop.
In a 2005 poll, Chicago Tribune readers voted it one of the seven wonders of Chicago,
behind the lake front and Wrigley Field, and ahead of Willis Tower, formerly the Sears Tower,
the Water Tower, the University of Chicago, and the Museum of Science.
and industry. The first L, the Chicago and South Side Rapid Transit Railroad, began revenue service
on June 6, 1892, when a steam locomotive pulling four wooden coaches, carrying more than a
couple of dozen people, departed the 39th Street station, and arrived at the Congress Street
terminal 14 minutes later, over tracks that are still in use by the Green Line.
Over the next year, service was extended to 63rd Street and Stony Island Avenue,
then the transportation building of the World's Columbian Exposition in Jackson Park.
In 1893, trains began running on the Lake Street Elevated Railroad,
and in 1895 on the Metropolitan West Side Elevated,
which had lines to Douglas Park, Garfield Park, since replaced,
Humboldt Park, since demolished, and Logan Square.
The Metropolitan was the United States' first non-exhibition rapid transit system
powered by electric traction motors,
a technology whose practicality had been demonstrated in 1893 on the intramural railway
at the World's Columbian Exposition in Chicago.
Two years later, the South Side L introduced multiple unit control
in which the operator can control all the motorized cars in a train,
not just the lead unit.
Electrification and MU control remained standard features,
of most of the world's rapid transit systems.
A drawback of early L's service
was that none of the lines entered the Central Business District.
Instead, trains dropped passengers at sub-terminals on the periphery
due to a state law at the time,
requiring approval by neighboring property owners
for tracks built over public streets,
something not easily obtained downtown.
This obstacle was overcome by the legendary traction magnate Charles Tyson Yerkes,
who went on to play a pivotal role in the development of the London Underground,
and who was immortalized by Theodore Dreiser as the ruthless schemer Frank Copperwood in the Titan,
1914, and other novels.
Yerks, who controlled much of the city's streetcar system,
obtained the necessary signatures through cash and guile.
At one point he secured a franchise to build a mile-long L over Van Buren Street,
from Wabash Avenue to Halstead Street,
extracting the requisite majority from the pliable owners on the western half of the route,
then building tracks chiefly over the eastern half,
where property owners had opposed him,
designed by noted bridge builder John Alexander Lowe Waddle.
The elevated tracks used a multiple close-rivet system
to withstand the forces of the passing train's kinetic energy.
The Union Loop opened in 1897
and greatly increased the rapid transit system's convenience.
Operation on the Yerke's own Northwestern Elevated,
which built the north side L-lines began three years later,
essentially completing the elevated infrastructure in the urban core,
although extensions and branches continue to be constructed in outline areas through the 1920s.
After 1911, the L-lines came under the control of Samuel Insull,
president of the Chicago Edison Electric Utility,
now Commonwealth Edison, whose interest stemmed initially from the fact that trains were the
city's largest consumer of electricity. Insull instituted many improvements, including free transfers
and through routing, although he did not formally combine the original firms into the Chicago Rapid Transit
Company until 1924. He also bought three other Chicago-electrified.
railroads, the Chicago North Shore and Milwaukee Railroad, Chicago Aurora and Elgin Railroad,
and South Shore Line into urban lines, and ran the trains of the first two into downtown
Chicago via the L tracks. This period of relative prosperity ended when Insel's Empire
collapsed in 1932. But later in the decade, the city was the help of the
of the federal government, accumulated sufficient funds to begin construction of two subway lines
to supplement, and some hoped, permit eventual replacement of the loop elevated.
As early as the 1920s, some city leaders wanted to replace the ugly elevated tracks.
These plans advanced in the 1970s, under Mayor's Richard J. Daly,
and Michael Blandic, until a public outcry against tearing down the popular L began,
led by Chicago Tribune columnist Paul Gap and architect Harry Weiss.
Instead, the new mayor, Jane Byrne, protected the elevated lines and directed their rehabilitation.
The State Street subway opened on October 17, 1943.
The Deerborn Subway, on which work had been suspended during World War II, opened on February 25, 1951.
The subways were constructed with the secondary purpose of serving as bomb shelters, as evidenced by the close spacing of the support columns,
a more extensive plan proposed, replacing the entire elevated system with subways.
The subway bypassed a number of tight curves and circuitous routings on the original elevated lines.
Milwaukee trains, for example, originated on Chicago's northwest side,
but entered the loop of the southwest corner, speeding service for many riders.
By the 1940s, the financial condition of the L and of Chicago Mass Transit in general
had become too precarious to permit continued operation without subsidies,
and the necessary steps were taken to enable a public takeover.
In 1947, the Chicago Transit Authority acquired the assets of the Chicago Rapid Transit Company
and the Chicago Surface Lines, operator of the city's streetcars.
Over the next few years, CTA modernized the L, replacing wooden cars with new steel ones, enclosing lightly used branch lines and stations, many of which had been spaced only a quarter mile apart.
Rail service to the O'Hare International Airport first opened in 1984 and the Midway International Airport in 1993.
That same year, the CTA renamed all of its rail lines.
They are now identified by color.
The CTA introduced fair cards for the first time in 1997.
Later, after assuming control of the L, the CTA introduced A-B skip-stop service.
Under this service, trains were designated as either A or B trains,
and stations were alternately designated as A stations or B stations,
with heavily used stations designated as both A-B.
A-train's would stop only at A, and A-B stations and B-train's
would stop only at B and A-B stations.
Station signage carried the station's skip-stop letter
and was also color-coded by skip-stop type.
A stations had red signage, B stations had green signage, and A.B. stations had blue signage.
The system was designed to speed up lines by having trained skip stations while still allowing for frequent service at the heavily used A.B.
stations. A.B. Skip Stop Service debuted on the Lake Street elevated in 1948, and the service
proved effective as travel times were cut by a third. By the 1950s, the service was used
throughout the system. All lines used the AB skipstop service between the 1950s and the 1990s,
with the exception of the Evanston and Skokie lines,
which were suburban-only lines,
and did not justify skip-stop service.
On the lines with branches,
skip-stop service sent all A-Train's to one branch
and B-trains to another branch.
On what became the blue line,
A-trains were routed on the Congress branch,
while B-trains were sent to the Douglas branch.
On the north-south line, A-trains went to the Englewood branch, and B-trains went to the Jackson Park branch.
In both cases, individual stops were not skipped beyond the points where those branches diverged.
As time went by, the time periods which employed skip-stop service gradually decreased,
as the weights at A and B stations became increasingly longer.
during non-peak service.
By the 1990s, use of the AB skip stop system
was only used during rush hour service.
Another problem was that train skipping stations to save time
still could not pass the train that was directly ahead,
so skipping stations was not advantageous in all regards.
In 1993, the CTA began to eliminate skip stop service,
when it switched the southern branches of the west-south and north-south lines to improve
rider efficiency, creating the current red and green lines.
From this point, Green Line trains made all stops along the entire route, while Red Line
train stopped at all stations south of Harrison.
The elimination of AB skipstop service continued with the opening of the all-stop orange line
and the conversion of the brown line to all-stop service.
In April 1995, the last of the AB skip-stop system was eliminated
with the conversion of the O'Hare branch of the Blue Line and the Howard branch of the Red Line
to all-stop service.
The removal of skipstop service resulted in some increases in travel times
and greatly increased ridership at former A and B stations
due to increased train frequencies.
Station signage highlighting the former skip stop patterns
would remain into the 2000s
when it was gradually replaced across the system.
The first air-conditioned cars were introduced in 1964.
The last pre-World War II cars were retired in 1973.
New lines were built in expressway medians,
a technique implemented in Chicago and followed by other cities worldwide.
The Congress branch, built in the median of the Eisenhower Expressway,
replaced the Garfield Park L in 1958.
The Dan Ryan branch, built in the median.
of the Dan Ryan Expressway, opened on September 28, 1969, followed by an extension of the
Milwaukee elevated into the Kennedy Expressway in 1970.
As of 2014, Chicago L trains run over a total of 224.1 miles of track.
Ridership has been growing steadily after the CTA takeover, despite declining massive
transit usage nationwide, was an average of 594,000 riders boarding each weekday in 1960,
and 759,866 in 2016, or 47% of all CTA rides.
Due to the loop flood in April 1992, ridership was at 418,000 that year, because CTA was forced
suspend operation for several weeks in both the state and Dearborn subways, used by the
most heavily traveled lines. Growing ridership has not been uniformly distributed. Use of the
north side lines is heavy and continues to grow, while that of the west side and south side
lines tend to remain stable. Ridership on the north side brown line, for instance, has increased
83% since 1979, necessitating a station reconstruction project to accommodate longer trains.
Annual traffic on the Howard branch of the Red Line, which reached 38.7 million in 2010,
and 40.9 million in 2011, has exceeded the 1927 pre-war peak of 38.5 million. The section of the
The blue line between the Loop and Logan Square, which serves once neglected but now bustling
neighborhoods such as Wicker Park, Buckdown, and Palmer Square, has seen a 54% increase
in weekday riders since 1992.
On the other hand, weekday ridership on the south side portion of the Green Line, which closed
for two years for reconstruction from January 1994 to May 1996 was 50,400 in 1978, but only 13,000
in 2006. Boardings at the 95th Dan Ryan stop on the red line, though still among the systems
busiest at 11,100 riders per weekday, as of February 2015, are less than half the peak
volume in the 1980s. In 1976, three Northside L branches, but were then known as the Howard, Milwaukee,
and Ravenswood lines, accounted for 42% of non-down boardings. Today, with the help of the blue line
extension to O'Hare, they account for 58%. The north side, which has historically been the highest
density area of the city, reflects the Chicago building boom between 2000 and 2010,
which is focused primarily on north side neighborhoods and downtown. It may ease somewhat in the wake
of the current high level of residential construction along the south lakefront. For example,
ridership at the linked Roosevelt stops on the green, orange, and red lines, which serve the
burgeoning South Loop neighborhood has tripled since 1992, with an average of 8,000 boardings per
weekday. Patronage at the Surmac Chinatown stop on the red line, with 4,000 weekday boardings,
is at the highest level since the station opened in 1969. The 2003 Chicago Central Area Plan
proposed construction of the Green Line Station at Surmac.
between Chinatown and the McCormick Place Convention Center,
an expectation of continued density growth in the vicinity.
The station opened in 2015.
Currently, the Red Line and the Blue Line provide 24-hour service,
while all other lines operate from early morning to late night.
Prior to 1998, the Green Line, the Purple Line, and the Douglas Branch of the Blue Line,
the modern-day pink line, also had 24-hour service.
In the years of private ownership, the South Side Elevated Railroad,
now the South Side Elevated Portion of the Green Line,
provided 24-hour service,
a major advantage when compared to Chicago's cable railroads,
which required daily overnight shutdown for cable maintenance.
In 2013, the CTA introduced a new fairer,
payment system called Ventra. Ventra enables passengers to purchase individual tickets, passes,
or transit value online by smartphone or participating retail locations. Ventra also works with
CTA buses, PACE, Suburban Buses, and Metra Commuter Rail. Payment by a smartphone app, the Ventra app,
or by a contactless bank card is possible.
As of 2018, the L uses a flat fare of $2.50 for almost the entire system.
The only exception being O'Hare International Airport on the Blue Line,
at which passengers entering the station are charged a higher fare of $5.
Passengers leaving the system at this station are not charged this higher fare.
The higher fare is being charged for what the CTA considers premium-level service to O'Hare.
Use of the Midway International Airport Station does not require this higher fare.
It only requires the $2.50 regular fare.
The higher charge at O'Hare has been the source of some controversy in recent years
because of the CTA's plan to eliminate the exemption from the premium fare for airport workers,
transportation security administration workers, and airline workers.
After protest from those groups, the CTA extended the exemptions for six months.
Since 1993, airlines have been officially identified by color,
although older route names survive to some extent in CTA publications and popular usage to distinguish branches of longer lines.
Stations are found throughout Chicago, as well as in the suburbs of Forest Park, Oak Park, Evanston, Wilmot, Cicero, Rosemond, and Skokie.
Blue Line, consisting of the O'Hare, Milwaukee-Dearborn Subway in Congress branches.
The blue line extends from O'Hare International Airport through the loop via the Milwaukee-Dierborn subway to the west side.
Trains travel to De Plains Avenue and Forest Park via the Eisenhower Expressway median.
The route from O'Hare to Forest Park is twice.
26.93 miles long.
The number of stations is 33.
Until 1970, the northern section of the blue line terminated at Logan Square.
During that time, the line was called the Milwaukee Route after Milwaukee Avenue, which runs parallel to it.
In that year, service was extended to Jefferson Park via the Kennedy Expressway median,
and in 1984 to O'Hare.
The Blue Line is the second busiest, was 176,120 weekday boardings.
It operates 24 hours a day, seven days a week.
Brown Line, or Ravenswood Branch
The Brown Line follows an 11.1.1.1.4.4.5.
point four mile route between the Kimball Terminal in Albany Park and the Loop in downtown Chicago.
In 2013, the Brown Line had an average weekday ridership of 108,529.
Green Line consisting of the Lake Street Elevated, South Side Elevated, Ashland, and East 63rd branches.
A completely elevated route utilizing the system's old
segments dating back to 1892. The green line extends 20.8 miles, with 30 stops between Forest
Park and Oak Park, through the loop, to the south side. South of the Garfield Station, the line
splits into two branches, with trains terminating at Ashland, 63rd in West Englewood,
and terminating at Cottage Grove, 63rd in Woodlawn.
The East 63rd branch formally extended to Jackson Park,
but the portion of the line east of Cottage Grove,
which ran above 63rd Street, was demolished in the 1980s and 1997,
due to construction problems,
and was never rebuilt due to community demands.
The average number of weekday boardings in 2013 was 68,230.
Orange Line or Midway Line
The 13-mile-long Orange Line was constructed from 1987 until 1993 3 on existing railroad embankments
and new concrete and steel elevated structure.
It runs from a station adjacent to Midway International Airport on the southwest side
to the loop in downtown Chicago.
average weekday ridership in 2013 was 58,765.
Pink line consisting of the Sermak branch and Paulina Connector.
The pink line is an 11.2 mile rerouting of former Blue Line branch trains from 54th Surmac and Cicero
by the previously non-revenue Paulina Connector and the Green Line,
Lake Street to the loop. Its average weekday ridership in 2013 was 31,572. The branch formerly ran to Oak
Park Avenue in Berwyn, 2.1 miles west of its current terminal. In 1952, service on the portion
of the line west of 54th Avenue closed, and over the next decade, the stations and tracks were
demolished. The street-level right-of-way is used to this day as parking, locally known as the
L-strip, Purple Line, consisting of the Evanston Shuttle and Evanston Express. The Purple Line is a 3.9-mile
branch, serving north suburban Evanston and Womette with express service to the loop during weekday rush
hours. The local service operates from the Linden Terminal in Wilmett through Evanston to the Howard
terminal on the north side of Chicago, where it connects with the red and yellow lines.
The weekday rush hour express service continues from Howard to the loop, running nonstop on the
four-track line, used by the red line to Wilson Station, then serving Belmont Station, followed by
all brown line stops to the loop.
2013 average weekday ridership was 42,673 passenger boardings.
The stops from Belmont to Chicago Avenue were added in the 1990s to relieve crowding on the red and brown lines.
The name Purple Line is a reference to nearby Northwestern University with four stops,
Davis, Foster, Noise, and Central, located just two blocks west of the university campus.
Red Line, consisting of the north side main line, State Street Subway, and Dan Ryan Branch.
The Red Line is the busiest route, with 234,000-232 passenger boardings on an average weekday in 2013.
It includes 33 stations on its 26-mile route,
traveling from Howard Terminal on the city's north side
through downtown Chicago via the State Street subway,
then down the Dan Ryan Expressway median to 95th Dan Ryan on the south side.
Despite its length, the red line stops five miles short of the city's southern border.
Extension plans to the 130th are coming.
currently being considered. The Red Line is one of two lines operating 24 hours a day,
seven days a week, and is the only CTAL line that goes to both Wrigley Field and Rate Field,
the homes of Chicago's Major League Baseball teams, the Chicago Cubs, and Chicago White Sox.
Rail cars are stored at the Howard Yard on the north end of the line, and at the 98th yard at the
south end. Yellow line, or Skokie Swift. The yellow line is a 4.7-mile three-station line that runs
from the Howard Street terminal to the Dempster Skokie Terminal in North Suburban Skokie. The yellow
line is the only L route that does not provide direct service to the loop. This line was originally
part of the North Shore Line's rail service and was acquired by the CTA in the 1960s.
The Yellow Line previously operated as a non-stop shuttle until the downtown Skokie Station,
Oakton Skokie, opened on April 30, 2012.
Its average weekday ridership in 2013 was 6,338 passenger boardings.
The Loop
Brown, green, orange, pink, and purple line express trains serve downtown Chicago via the loop elevated.
The Loop's eight stations average 72,843 weekday boardings.
The orange line, purple line, and the pink line run clockwise.
The brown line runs counterclockwise.
The green line runs in both directions through the North Carolina.
north and east sides. The other four lines circle the loop and return to their starting points.
The loop forms a rectangle roughly 0.4 miles long east to west and 0.6 miles long north to south.
The loop crossing at lake and wells has been described in the Guinness Book of World Records
as the world's busiest railroad crossing.
