Mapbox collect over 300 million miles of anonymised location data every day to produce speed estimations for routing. This article by Saba El-Hilo goes into detail about how they use Apache Spark to calculate 30 billion of those speed estimations each week.

Calculating 30 Billion Speed Estimates a Week with Apache Spark
On a daily basis, Mapbox collects over 300 million miles of anonymized location data from our mobile (ios and android) SDKs. We use this…