Idea, research, data analysis, and writing: by Tom Wills
You can read the story here
Please refer to this jupyter notebook for background, data sourcing and analysis.
luisacelino/travel-cost
Trains vs. planes: What's the real cost of travel? Flights often seem to be the fastest and cheapest travel options. That's not so, as DW's data visualizations show. Factoring in transit time and environmental damage, here's how to assess the true costs of travel.
Jupyter Notebook