The wanted_level_sign_mod.zip file you have requested: Modifications / New wanted level sign - 139.98kb is not available. Perhaps try browsing all files for the game Grand Theft Auto: San Andreas and upload any files you want to share or are missing. This is the only information we could locate:
This is a new sign for wanted level in GTA San Andreas, it changes the police warning stars to a slightly different version with a pentagon shape and the letters PD on the sign itself. It looks fairly good in game.