How many lines does the Chicago metro have?

There are 8 lines. Each one has its own page listing its stations in running order.

What is the busiest station on the Chicago metro?

Lake, with roughly 3,402,145 passengers a year.

Which is the longest line on the Chicago metro?

The Yellow line, at roughly 7.6 km.

What is the oldest station on the Chicago metro?

35th-Bronzeville-IIT, which opened in 1892.

Chicago metro: every line and every station

The Chicago metro has 144 stations across 8 lines. This page lists every line with its termini and station count, then every station with its interchanges, opening year, ridership and district.

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Lines and their termini

R Red line, Chicago metro · 33 stations
B Blue line, Chicago metro · 33 stations · Montrose ↔ Forest Park ↔ O'Hare ↔ Harlem (O'Hare)
B Brown line, Chicago metro · 27 stations
G Green line, Chicago metro · 31 stations · Cottage Grove ↔ Harlem/Lake ↔ Ashland/63rd
O Orange line, Chicago metro · 16 stations
P Pink line, Chicago metro · 22 stations
P Purple line, Chicago metro · 26 stations
Y Yellow line, Chicago metro · 3 stations · Howard ↔ Dempster-Skokie

Network records

Busiest stationLake · 3,402,145
Oldest station35th-Bronzeville-IIT · 1892
Newest stationWashington/Wabash · 2017
Longest lineYellow · ≈ 7.6 km
Shortest lineYellow · 3 stations
Best connected stationClark/Lake · 6

Frequently asked questions

How many stations does the Chicago metro have?: The Chicago metro has 144 stations across 8 lines.
How many lines does the Chicago metro have?: There are 8 lines. Each one has its own page listing its stations in running order.
What is the busiest station on the Chicago metro?: Lake, with roughly 3,402,145 passengers a year.
Which is the longest line on the Chicago metro?: The Yellow line, at roughly 7.6 km.
What is the oldest station on the Chicago metro?: 35th-Bronzeville-IIT, which opened in 1892.
Which Chicago station has the most interchanges?: Clark/Lake, served by 6 lines.