Is horn-honking protected by the First Amendment? That’s what Californian Susan Porter is about to find out, as she takes her case to the Supreme Court, after being ticketed for honking her horn in ...

On April 7, 2023, the Ninth Circuit Court of Appeals issued its decision in Porter v. Martinez, which addresses California’s law that prohibits honking a car horn except to warn of a safety hazard.

Police ticketed Susan Porter for honking at a protest outside Rep. Darrell Issa's office. California and 41 other states have laws banning honking unless it's used as a warning. Is honking your car ...

Honking in a tunnel is a common practice in certain parts of the country. If you're not originally from Tennessee, you might find one local custom a little unusual. Traverse the Bote Mountain Tunnel ...

Honking your car horn for any reason other than warning of imminent danger is still illegal in California, a federal appeals court has ruled. In a 2-1 decision filed this month, the 9th U.S. Circuit ...

After a long day at work—or an even longer day with the kids—it may be tempting for many to release frustration on fellow drivers or pedestrians by means of the car horn. But honking the horn is a bad ...

SAN FRANCISCO (KGO) – Autonomous Waymo cars are causing headaches for some San Francisco residents. At a parking lot for the self-driving vehicles, a chorus of honking has been recorded erupting at ...

Early into the 2023 Writers Guild of America strike, an electronic traffic sign appeared outside Warner Bros.’ Burbank lot. “Excessive horn use,” the sign warned, “violates 27001 CVC.” “Spotted ...

A cluster of self-driving cars in San Francisco were captured on camera honking at each other as they attempted to park in the middle of the night. Video shows a parking lot filled with Waymo ...