US Interstate 'Grid" pix

[rcjordan]

.

[ergophobe]

They've clearly read a lot of Tufte
https://www.edwardtufte.com/book/envisioning-information/

They've also clearly read up on their Section 508 standards for presenting information to the visually impaired

[rcjordan]

Now I can get to Buffalo Wyoming using the old, tried & true male-driver way; No maps, no GPS, no asking for directions.

BTW, some of these may be in the planning stage.  I'm not sure I-50 is real yet.