Pennsylvania — Statute

4571 – Visual And Audible Signals On Emergency Vehicles | Pennsylvania Law

Pennsylvania law requires emergency vehicles to have specific visual and audible warning signals, including red and blue lights and additional equipment.

Legal Content

Pennsylvania State Law

4571 – Visual And Audible Signals On Emergency Vehicles

Pennsylvania Title 75 - Vehicles § 4571

Summary

This law specifies the visual and audible signal requirements for emergency vehicles in Pennsylvania, including the types of lights and warning systems they must have. It details the use of red, blue, and other emergency lights for different emergency service vehicles and allows certain additional equipment. The law also covers signals for vehicles operated by the Public Utility Commission used in enforcement activities.

Frequently Asked Questions

Why Attorneys Choose FlawFinder

Side-by-side with Westlaw and LexisNexis

Feature	FlawFinder	Westlaw	LexisNexis
Monthly price	$19 - $99	$133 - $646	$153 - $399
Contract	None	1-3 year min	1-6 year min
Hidden fees	$0, always	Up to $469/search	$25/mo + per-doc
Police SOPs	✓ 310+ departments	✗	✗
Zero-hallucination AI	✓ CitationGuard	✗	✗
Cancel	One click	Termination fees	No option to cancel

Explain Like I'm 5

In simple terms: Pennsylvania law requires emergency vehicles to have specific visual and audible warning signals, including red and blue lights and additional equipment.. This means people must follow this rule, and breaking it can lead to criminal penalties.