Kovacs v. Cooper

1949-02-28

Headline: Cities may bar vehicle-mounted sound trucks that make loud and raucous noise, Court upheld, allowing municipalities to limit amplified street broadcasts and affecting public address speakers and advertisers.

Holding: The Court upheld Trenton’s ordinance as applied and affirmed the conviction, ruling municipalities may ban vehicle-mounted sound trucks that emit loud and raucous noises on public streets.

Real World Impact:

Allows cities to ban vehicle-mounted amplified sound that is loud and disruptive.
Restricts use of truck-mounted loudspeakers for advertising or public speeches.
Leaves room for future challenges about scope and record-specific proof.

Topics: public speech, noise and local rules, sound trucks and loudspeakers, local government power

Summary

Background

A man who drove a truck with an amplifier in Trenton was convicted under a city law that forbade sound trucks or any device on vehicles that "emits loud and raucous noises" on public streets. A patrolman heard music and then a man’s voice from the truck; the driver admitted operating the equipment. Lower state courts upheld the conviction, and the case reached the Supreme Court because the defendant said the law violated freedom of speech, assembly, communication, and the Due Process protection against vague laws.

Reasoning

The majority read the ordinance as applying to vehicle-mounted devices that produce "loud and raucous" sounds and found those words sufficiently clear. The Court said municipalities have authority to protect street safety, traffic, homes, and business tranquility and may reasonably regulate or ban disruptive amplified sound. The opinion distinguished this law from ones that give a single official unchecked power to permit speech in advance. Balancing the right to speak with others’ right to peace, the Court affirmed the conviction and sustained the ordinance as constitutional as applied.

Real world impact

Local governments can rely on this decision to restrict or ban vehicle-mounted loudspeakers that disrupt streets, traffic, homes, or commerce. The ruling recognizes that free speech does not guarantee use of mechanical amplification everywhere. Because the outcome rests on the Court’s reading of the ordinance and on balancing interests, the decision does not settle every noise or amplification rule and other challenges remain possible.

Dissents or concurrances

Several Justices dissented or warned the ruling conflicts with a recent decision protecting amplified speech. Dissenters stressed due process problems, saying the ordinance was treated as an absolute ban and the record lacked proof of "loud and raucous" noise, and warned of favoring wealthy media over street speakers.