Thats why sidewalks are included... having conduit with all new sidewalks would definitely ease the last mile
By far most last mile areas do have sidewalks, if you consider population served as opposed to geographic area.
Which is by far the most reasonable metric, because only humans use the internet...
Per the article:
> [The bill] requires states to evaluate the need for broadband conduit any time they complete a highway construction project that gets federal funding