The street economics of induced demand

From the Novato Narrows to the Richmond Bridge, there’s talking of widening Marin’s highways with nary a thought given to the problems of induced demand, namely that any additional roadway capacity will quickly be used up, negating improvements to traffic speeds.

Guest poster Connor Jones picks things up from here.

There’s a lot of misinformation out there about induced demand (Littman 2015), a widely established city planning model that attempts to explain why cities tend to maintain a steady state of congestion. I’ll go into some more detail on the theory of induced demand later, but I wanted to start with the economic model.

Continue reading.

Advertisements

About David Edmondson
A native Marinite working in Washington, DC, I am fascinated by how one might apply smart-growth and urbanist thinking to the low-density towns of my home.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

%d bloggers like this: