There are two procedures that comprise this test sequence. 

Interior Noise: The objective of these tests is to measure and record interior noise levels and check for audible vibration under various operating conditions (read full test procedure). 

Exterior Noise: The objective of this test is to record exterior noise levels when a bus is operated under various conditions (read full test procedure).



Established in 1989 by the Pennsylvania Transportation Institute with funding provided by the Federal Transit Administration, the Larson Transportation Institute’s Bus Research and Testing Center tests buses for safety, structural integrity, durability, performance, maintainability, noise, emissions, energy economy, and fuel economy. Based primarily in Altoona, Pennsylvania, the Center also has a facility located at the Larson Transportation Institute Test Track in Bellefonte, Pennsylvania.  

Bus Research and Testing Center

2237 Plank Road

Duncansville, PA 16635

Phone: 814-695-3404

Fax: 814-695-4069