July 21, 2020 / by Open Data Portal Team / In Open Data , Data Portal

Traffic Crash Datasets Data Source

We have made a small internal adjustment to the data source for our Traffic Crash datasets:

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June 10, 2020 / by Open Data Portal Team / In Open Data , Data Portal

Date Changes for COVID-19 Datasets

We have adjusted how COVID-19 cases are assigned to dates in the following datasets. This change is retroactive so will affect previously reported values.

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May 29, 2020 / by Open Data Portal Team / In Open Data , Data Portal

Percent Positive Calculation Change for COVID-19 Cases, Tests, and Deaths by ZIP Code

We have adjusted how the two columns related to positive COVID-19 test result rates are calculated in the COVID-19 Cases, Tests, and Deaths by ZIP Code dataset. This change is retroactive so will affect previously reported values.

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April 28, 2020 / by Open Data Portal Team / In Open Data , Data Portal

Additional 2019 Trips Added to Transportation Network Providers - Trips Dataset

Due to data processing errors, some Transportation Network Provider trips in the first nine months of 2019 were not reported to the City of Chicago and therefore not initially included in the Transportation Network Providers - Trips dataset. The errors have now been corrected. We have received the trips and added them to the dataset. The net increases per month are:

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April 07, 2020 / by Open Data Portal Team / In Open Data , Data Portal

TNP Trips Correction - November 2019 - Complete

There were data reporting errors in the November 2019 records in the Transportation Network Providers - Trips dataset. At this time, we are unaware of this issue extending beyond the Fare column in the time period 11/1/2019-11/7/2019. However, to be cautious, we have obtained complete replacements of potentially affected records for the entire month of November and will be using them to replace that entire month in the dataset. Please note that the Trip ID values associated with specific trips may change.

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April 06, 2020 / by Open Data Portal Team / In Open Data , Data Portal

Changes to the COPA Datasets

The Civilian Office of Police Accountability (COPA) publishes three datasets of its cases.

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April 02, 2020 / by Open Data Portal Team / In Open Data , Data Portal

Update Timeline for Transportation Network Provider Datasets

Due to issues related to COVID-19, we anticipate delays in collecting and processing the January-March 2020 source data that will be used to populate our Transportation Network Provider datasets. Our current estimate is that we will be able to update the datasets by mid-May. If that changes, we will post an update here.

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March 31, 2020 / by Open Data Portal Team / In Open Data , Data Portal

Street Sweeping Schedule 2020 Delayed

Users of the Street Sweeping Schedule - 2020 dataset, please note that the Department of Streets and Sanitation has made the following announcement:

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March 30, 2020 / by Open Data Portal Team / In Open Data , Data Portal

311 Service Requests - Street Lights - One Out - Historical Column Type Correction

We recently discovered that the historical-only 311 Service Requests - Street Lights - One Out - Historical dataset’s Location column was mistakenly configured as Text data type instead of the Location type that allows for mapping and other geographic functions.

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March 05, 2020 / by Open Data Portal Team / In Open Data , Data Portal

E-Scooter Community Area Number Correction

We recently discovered that, due to a technical bug, the Start Community Area Number and End Community Area Number values in the recently released E-Scooter Trips - 2019 Pilot dataset were incorrect. We apologize for the error and have corrected it.

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