Walker v. Texas Division, Sons of Confederate Veterans (2015) said license
plates were a form of government speech and protected from First Amendment
challenges.
License Plates and Free Speech Cases
In Wooley v. Maynard, 430 U.S. 705 (1977), the U.S. Supreme Court reaffirmed the principle that the government cannot compel individuals to subscribe to certain beliefs. The case involved a New Hampshire law that required license plates to contain the state motto “Live Free or Die” and prohibited individuals from obscuring the mottoJehovah’s Witness fined for covering state motto