Category Archives: Transit

Plotting Bus Tracker Data

Further to last week’s post, I’ve produced a set of plots showing bus locations vs. time for the 66 Chicago bus route.  These handily show where delays and bunching occur along the route. The plots are generated by polling the … Continue reading

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The Physics of Bus Bunching

Three weeks ago, WBEZ’s Curious City segment asked why buses bunch in Chicago and what are the options for reducing bunching. As with many popular articles about physics, the piece described interesting facts while conveying a slightly incorrect intuition about … Continue reading

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Ashland BRT I – Existing Ridership

The Ashland BRT proposal promises to provide service with similar speed and frequency of a new ‘L’ line across the heart of the city. This project would dramatically improve travel for tens of thousands of existing and potential customers. The … Continue reading

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