Archive | Transportation

People crossing a street on foot holding a banner that says Stop for pedestrians at every corner.

Stop for Pedestrians. We Mean It This Time.

Beginning this Sunday, August 2nd, it’s Pedestrian Safety Week in St. Paul through the following Sunday, August 9th. This year, the St. Paul Police Department has a grant from the Minnesota Toward Zero Deaths program to do focused education and enforcement for pedestrian safety. Starting at the National Night Out on August 4th, city police […]

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The Single-Tracked World of American Railroading

Here’s a map I put together using the Federal Railroad Administration’s Highway-Rail Crossing Inventory database, focusing on the number of main tracks at public grade crossings across the country. The main thing to see is that the vast majority of our rail infrastructure is single-tracked, only allowing trains to travel in one direction at a […]

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Traffic Signal Timing and Phasing

This is Part Three in a series on traffic signal controllers. Part One covered an overview of a hardware, and Part Two continued with general issues of why they don’t always have features we’d like. As of note about terminology, I’ve generally used the term “vehicle” and “vehicle operations” to match engineering terminology, despite that fact that […]

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Unreasonability at the Green Line Central Station Makes LRT More Dangerous Everywhere

In downtown Saint Paul, there is a station on the Green Line light rail (LRT) called “Central“. This station is very useful! There’s a skyway connection, and it allows core office workers and casual activity users access to the Metro system. Parked diagonally across a city block, there was always going to be some awkwardness. […]

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