Sorry for this, I'll look into something to make this easier for you in the article.

In the meanwhile, we published some high-res versions of the maps on reddit, which hopefully are better for you.

Electric grid: https://i.redd.it/2nkdq2bx101y.jpg Pipelines: https://i.redd.it/mu945myovz0y.jpg Airports: https://i.redd.it/m9p0mpy2wz0y.jpg Ports: https://i.redd.it/2khvrwe6201y.jpg Bridges: https://i.redd.it/enf1rtz9z21y.jpg