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.

The latest general information on the Coronavirus Disease 2019 (COVID-19) is available on the CDC website.

United States Department of Transportation United States Department of Transportation

DEVELOPMENT OF AN ULTRA-PORTABLE RIDE QUALITY METER

Document Series
Research Results
Author
Leith Al-Nazer
Report Number
RR 12-19
Office
RPD-31
Subject Passenger Rail, Track, Track/Train Interactions, Tracks & Structures
Keywords
Ride Quality, Ride Comfort, ISO 2631, Acceleration, Safety, GPS, Maintenance, Track, Vehicle, Vehicle-Track Interaction, Portable

DOT is committed to ensuring that information is available in appropriate alternative formats to meet the requirements of persons who have a disability. If you require an alternative version of files provided on this page, please contact FRAWeb@dot.gov.
Last updated: Tuesday, December 11, 2012