New York City, NY (2021–Present)

• Automated sound camera program launched in 2021

• Issues fines to vehicle owners for excessive noise
   

      California (Statewide) (2022–Present)

• Pilot authority established in 2022 (AB 550)

• Allows cities to test automated noise enforcement systems
   

      Albuquerque, NM (2023–Present)

• City initiated a noise camera pilot program

• Early rollout highlighted technology and vendor challenges
   

      Knoxville, TN (2023–2024)

• Explored noise camera pilot technology

• Demonstrates interest from mid-sized U.S. cities
   

      Washington, D.C. (Exploration Stage)

• Has explored automated traffic enforcement expansion, including noise

• No full deployment yet, but active discussion
  
  
  NOTE: Globally, effective vehicle noise enforcement already exists. The gap in the U.S. isn’t awareness—it’s implementation—and cities are starting to close that gap.