![["A diagram showing a bus icon labeled 'vehicle', a rightward arrow, and then a person icon labeled 'rider'"]](/assets/img/posts/rt_diagram_1.png)
Realtime Transit Data Primer
An overview of how realtime data gets from a transit vehicle to you (the rider) and how to think about the data quality issues you experience.
![["A diagram showing a bus icon labeled 'vehicle', a rightward arrow, and then a person icon labeled 'rider'"]](/assets/img/posts/rt_diagram_1.png)
An overview of how realtime data gets from a transit vehicle to you (the rider) and how to think about the data quality issues you experience.
![["A graphic in Chicago flag colors inviting you to test your knowledge with the Chicago Local News Quiz 2025"]](/assets/img/posts/quiz_promo.jpg)
Test your memory for Chicago 2025 local news stories!
![["U.S. Border Patrol agents pose for a photo in downtown Chicago on November 10 2025. Credit - Colin Boyle/Block Club Chicago"]](/assets/img/posts/111025-Border-Patrol-at-Millennium-Park-Colin-Boyle-0697.jpg)
An overview of federal activity in Chicagoland during the crackdown.

Reflections on what it feels like to live in Chicago during "Operation Midway Blitz".

My recommendations for learning about the recent history of the greatest city on Earth.

Fundamental concepts in transit ridership data.

A short guide to common types of transit data and where to find them.