Streets of New York City (and each borough) colored by the angle of the street grid.

Lower Manhattan with parts of Brooklyn and Queens:

Staten Island:

Queens:

Manhattan:

Brooklyn:

The Bronx:

Maps are based on NYC Centerline Data, which appears to be down at the moment so here’s a mirror.
All processing was done in R with the help of the “sf” and “rgdal” packages. Prints available here.