OPMI Data Blog

April 15, 2026

The MBTA System-Wide Passenger Survey Has New Data

The 2025 System-Wide Passenger Survey data has been released. Read some preliminary findings.

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latest posts

March 25, 2026

The OPMI Data Blog Turns 10

OPMI is celebrating 10 years of the Data Blog, reflecting on its growth, impact, and contributors, highlighting long-running projects like the Rider Opinion Panel, and unveiling a refreshed, modern redesign of the site.

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November 20, 2025

Introduction to the Massachusetts Vehicle Census

The MVC is the first dataset in the country to link vehicle attributes such as garaging location and engine-type with vehicle mileage. It is a transformation in the way we understand travel in Massachusetts.

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Featured posts

March 25, 2026

The OPMI Data Blog Turns 10

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January 24, 2025

The MBTA’s 2024 Service Delivery Policy: Changing how Success is Measured

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December 19, 2024

Introducing Excess Trip Time

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