Low impact development near the Navy Yard

Near the soon to be opened and fantastic Park at the Yards, there’s a lot of new low-impact development infrastructure. These bioretention areas should be a great example of the new kind of both urban and environmentally sustainable infrastructure can be.

These are not ordinary tree boxes. Instead of draining into a standard storm

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Parking, lots and lots of parking!

There’s been a horde of great parking posts in the last few days:

First, Jarrett Walker documents San Francisco’s new adventure in market pricing for on-street spaces:

The goal is to ensure that there’s always a space available, so that people stop endlessly driving in circles looking for parking. People will be able to

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Frequency Mapping

Last week, Jarrett Walker had a great post illuminating the basic reasons for ‘frequency mapping,’ where a transit agency maps out transit routes that meet some threshold for frequent service (such as buses every 10 minutes, or 15 minutes, etc).

There are many degrees of frequency and span, but in general, most transit agencies’ service

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Observations from San Francisco

As a nice respite to DC’s heat, I was able to spend the last week in California – including several days in San Francisco. Some thoughts and observations from the trip:

Hills and Grids: Gridded streets have plenty of benefits, to be sure – but the downside is that they do not react to

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