At stage 3 with self-driving cars

I recently wrote that self-driving cars were inevitable and would change nearly everything about our understanding of traffic flow and how the demand for travel (a person wanting to be where he or she is not) will map onto actual trips. We’re planning using the old models, which are sucky and broken, but now they […]

Why is there glitter on the floor?

I’ve spent many hours thinking about driverless cars, and have even drafted a few blog posts.  With the announcement the other day from Google, and the subsequent flurry of news coverage, it is time for me to join the party and get my thoughts out there. A prediction First, my prediction: Self-driving cars will become […]

Public Planning Models

Craig and I just posted our entry into the Knight Newschallenge Lottery. It is called Public Planning Models, in a classic case of a working title ending up being the final title. The basic idea is that planning models are opaque and mysterious, and really buggy and error prone. The problem isn’t the fault of […]

Mode choice versus life cycle change

During TRB I attended a presentation on the effect of life cycle changes on travel pattern characteristics. The presenter defined the usual life cycle changes (getting married, changing home location, having a child, etc) and set up a structural equations model to related these changes with the size of a person’s social network, the length […]

Reduced parking requirements article

There is an article in today’s LA Times that talks about a move to reduce the parking requirements of various kinds of retail. This is very interesting and could begin to push people to reduce driving. In parallel, there are a few laws on the books in California that require denser development in order to […]

Development server logs during development

In a prior post trumpeting my modest success with getting geojson tiles to work, I typed in my server address, but didn’t make it a link. That way robots wouldn’t automatically follow the link and my development server wouldn’t get indexed by Google indirectly. What is interesting to me is that I still get the […]