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General

AAM Software Frequently Asked Questions

The Advanced Acoustic Model (AAM) is a suite of computer programs that predicts far-field noise from fixed-wing aircraft, rotary-wing aircraft, or moving and stationary ground-based operations. It is a simulation model that computes time varying noise levels for each step in a user-defined flight...

Advanced Acoustic Model (AAM) Software

About AAM

The Advanced Acoustic Model (AAM) is a suite of software tools that allows users to model vehicle sound levels at receiver positions, either on a uniform grid or at specific defined locations, from helicopters, tiltrotor vehicles, and fixed wing aircraft.

AAM is flexible in its ability to allow users to model noise from any traditional or evolving transportation noise source. 

Federal Permitting Improvement Steering Council Annual Report to Congress

This annual report to Congress assesses federal and state agency progress in implementing best practices to improve environmental review and approval processes for complex infrastructure projects. Learn how FPISC coordinates this process to help improve environmental reviews and authorization...

The Track Inspection and Maintenance Process Infographic

About This Document

FRA asked a team of U.S. DOT Volpe Center human factors experts to research visual and automation-aided rail inspection processes. The team focused on railroad inspection systems that employ automated track geometry technology, a widely used form of...

The U.S. DOT Volpe Center’s 2019 Reports

The U.S. Department of Transportation (U.S. DOT) Volpe Center published nearly 70 reports and conference papers in 2019 spanning a breadth of transportation topics that advance U.S. DOT’s priorities: safety, infrastructure, innovation, and accountability.