USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Site Notification

Site Notification

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

noise

This page shows Department of Transportation content pertaining to a specific tag. If you cannot find what you’re looking for on this page, please use the search box in the top right of our website.

Investigating Low-Boom Supersonic Air Travel

The U.S. is a leader in developing supersonic flight technology, and Volpe Center noise experts are helping build confidence in low-boom flight technologies through sonic boom measurement, modeling, and minimization.

National Transportation Noise Map Released

To better understand transportation sound levels, a Volpe Center team developed a simplified noise modeling tool for the Bureau of Transportation Statistics that makes it easy to track trends in noise levels over time. The tool was released on March 21.

Validated DGPS Systems

INFORMATION: Use of Global Position Systems (GPS) Based Time Space Position Information (TSPI) System as a Truth Source for Certification Flight Testing.

DGPS Performance Requirements

This document outlines the recommendations and requirements to be followed by FAR Part 36 noise certification applicants using a differential global positioning system (DGPS) for collection of time space position information (TSPI).