Transportation Expertise

Road Roughness

UMTRI is well-known for its pioneering research in measuring road roughness, and its researchers contributed to developing the International Roughness Index (IRI). UMTRI researchers also compare and verify road profilers, and disseminate information, software, and data associated with road roughness.

Selected projects in this area:

Profiler Roundup 2004 - Enhancement of the Golden Tire Footprint Study
Sponsor: Federal Highway Administration
Investigator: Tim Gordon
02/01/2006 - 09/28/2007

TOPR 7, Presentation of Smoothness Workshops in Iowa and New Jersey
Sponsor: Federal Highway Administration
Investigator: Tim Gordon
07/18/2005 - 07/17/2006

Research, Field Testing, and Nonpersonal Technical Support for the Pavement Surface Characteristics (PSC) Program, TOPR 4 ETG Participation and Coordination
Sponsor: Transtec Group, Inc.
Investigator: Zevi Bareket
12/01/2005 - 07/31/2006

Profiler Roundup 2004 - Development of a Golden Tire Footprint for Improvement of Profiler Relevance
Sponsor: Federal Highway Administration
Investigator: Tim Gordon
05/01/2005 - 09/30/2006

Vibration Transmission from Road Surface Features - Vehicle Measurement and Detection
Sponsor: Nissan Motor Company
Investigator: Tim Gordon
08/01/2005 - 03/31/2006

Research, Field Testing, and Nonpersonal Technical Support for the Pavement Surface Characteristics (PSC) Program
Sponsor: Federal Highway Administration
Investigator: Tim Gordon
09/10/2004 - 09/09/2009