This is a copy, crudely reformatted from PDF to HTML using MS Word 2013. It has significant layout issues and no images, but should be mostly legible on small screens.
Refer to original in case of confusion:
http://www.fordfoundation.org/library/reports-and-studies/roads-and-bridges-the-unseen-labor-behind-our-digital-infrastructure/
Read rendered gist version:
https://cdn.rawgit.com/maphew/2d0f6b0c9b5d4f96d6f4509b0011b352/raw/b3c0a8c82bd77e7a75bebe9a2672623926fdfb11/roads-and_filtered.html