Make your own US rivers and roads maps

Posted to Maps  |  Tags: ,  |  Nathan Yau

Inspired by Nelson Minar’s map of US rivers, Mike Bostock demonstrates how to generate your own TopoJSON from the same river data. As indicated by the name, the file format is a way to encode topology, and it does so in a compact way.

Casey Thomas then forked Mike’s code to make TopoJSON from TIGER/Line files, which is essentially data supplied by the Census Bureau that represents the roads in the United States.

US roads


10 Best Data Visualization Projects of 2015

These are my picks for the best of 2015. As usual, they could easily appear in a different order on a different day, and there are projects not on the list that were also excellent.

The Best Data Visualization Projects of 2014

It’s always tough to pick my favorite visualization projects. Nevertheless, I gave it a go.

Marrying Age

People get married at various ages, but there are definite trends that vary across demographic groups. What do these trends look like?

Years You Have Left to Live, Probably

The individual data points of life are much less predictable than the average. Here’s a simulation that shows you how much time is left on the clock.