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CTA - Ridership - Daily Boarding Totals
Attribution: Chicago Transit Authority · source
This dataset shows systemwide boardings for both bus and rail services provided by CTA, dating back to 2001. Daytypes are as follows: W = Weekday, A = Saturday, U = Sunday/Holiday. See attached readme file for information on how these numbers are calculated.
ctapublic transitridership
Dataset Profile
9.2K
Total records
5
Columns
table
Type
ID: 6iiy-9s97
Popularity
130.4K
Views
51.4K
Downloads
~9.2K rows · 5 columns
Freshness & Tracking
Rows updated4 months ago · 4/17/2026
View modified4 months ago
Created on source8/12/2011
Published4/29/2025
Discovered3/11/2026, 8:37:41 AM
Last checked5/13/2026, 11:36:19 PM
Last changed3/11/2026, 8:37:41 AM
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Search hits3
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Owner & Attribution
OwnerCTA
AuthorCTA
PublisherChicago Transit Authority
Metadata
Data OwnerChicago Transit Authority
Time Period2001 - Current
Changes and Other Historical Information Useful to Understanding This Datasethttps://www.google.com/search?q=site:data.cityofchicago.org/stories+"Related+dataset+ID+s"+"6iiy-9s97"
Schema (5 columns)
Column metadata from the source provider's own profiling
| Column | Type | Cardinality | Nulls | Top Values | Range |
|---|---|---|---|---|---|
service_date | calendar_date | 9.2K | 0 | 2009-11-28T00:00:00.2017-12-29T00:00:00.2004-05-25T00:00:00. | 2001-01-01T0 … 2026-02-28T0 |
day_type | text | 9.2K | 0 | WUA | A … W |
bus | number | 9.2K | 0 | 966314985806399383 | 80783 … 1211992 |
rail_boardings | number | 9.2K | 0 | 602096698735627767 | 23544 … 1146516 |
total_rides | number | 9.2K | 0 | 17655626381301623327 | 110047 … 2049519 |
Resources
Direct links to downloads, APIs, and related pages.