1 March 2020 - Faster transportation made longer commutes possible, which meant cities could grow. But Amsterdam started to grow before tramways were electrified and bicycles became popular. What happened?

18 January 2020 - With the Ping if you care programme, the city of Amsterdam has collected about thirty thousand reports from cyclists: for example about long waiting times at traffic lights or about fast cycling routes. I had the opportunity to do an exploratory analysis for cyclists’ organisation Fietsersbond.

19 May 2019 - A 1976 traffic study published by the city of Amsterdam contains beautiful traffic flow maps showing how cyclists and motorists use the city’s streets. A tweet alerted me to the fascinating history of traffic flow maps.

12 May 2019 - Airbnb is not exactly keen to share data that might help analyse its impact on local housing markets. In 2016, the Amsterdam Municipality decided to collect Airbnb data using a scraper - a computer programme that automates the job of retrieving information from web pages.

6 April 2019 - Bike City Amsterdam, a new book by Fred Feddes and Marjolein de Lange, recounts how Amsterdam developed a cycling policy (more on the book below). An important source for the book is the archive of the Amsterdam branch of cyclists’ organisation Fietsersbond. In addition, traffic data was used to analyse trends.