#Transit Planning

Aug 04, 2011
Urban Planning & Design

Transit Oriented Development and CPT (Part 1 of 3)

Most readers understand the concept of Transit Oriented Development (TOD) – a planning approach that encourages transit ridership through increased development around transit stations. TODs are designed to create higher density, mixed use, walkable communities. In this way the day-to-day needs met by shops, cafes, and entertainment venues are located within the neighbourhood (usually near...

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Jul 22, 2010
Thought Experiments, Urban Planning & Design

A Wait Time Thought Experiment

According to the Transportation Research Board’s Transit Capacity and Quality of Service Manual, wait times for transit are around 2 times more onerous to riders than actual in-vehicle time. They see that ratio rise to 2.5 times when wait times are coupled to transfers. With that in mind, how long is the following journey: A...

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Jul 19, 2010

The Theory of Thunder & The Rational Comprehensive Model

When I was a child I had a marvelous theory about thunder storms: Rain was held by clouds and thunder often accompanied rain. Thunder sounded like a loud explosion and explosions destroyed things. And since after it rained, no clouds could be seen, then thunder must be the sound of clouds exploding! In my mind, I...

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Jun 28, 2010
Light Rail & Streetcars, Research Issues, Urban Planning & Design

Never Mind The Real World

If I gave you the choice between a transit technology that could carry 20,000 people and a technology that could carry 6,000 which would you choose? Clearly, youd choose 20,000. Or what if I gave you the choice between a transit technology that operated at 100 km/hr or one that operated at 35 km/hr? Obviously...

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Jun 22, 2010
Thoughts, Urban Planning & Design

Why Outliers Are Important

Bent Flyvbjerg is a scholar in Denmark and an expert in cost-overruns and demand-shortfalls in public infrastructure projects. In one of his more recent publications (“Cost Overruns and Demand Shortfalls in Urban Rail and Other Infrastructure”), he demonstrates the dramatic demand shortfalls that most urban rail infrastructure is met with. According to his study, actual...

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