A pack containing individual 530+ US road signs in 2K PNG format.
The files were downloaded from ( https://commons.wikimedia.org/wiki/Road_signs_of_the_United_States ) and converted to PNG.
The files are public domain, you can use them however you like and without limits (including for commercial work and redistribution).
Added 73 new signs (Stop, Yield, no parking, do not enter, hospital...)