The Federal Railroad Administration (FRA) was created by the Department ofTransportation Act of 1966. It is one of ten agencies within the U.S. Department ofTransportation concerned with intermodal transportation. FRA promotes safe,environmentally sound, successful railroad transportation to meet the needs of all customers today and tomorrow.
FRA's Office of Railroad Safety promotes and regulates safety throughout the Nation's railroad industry. The office executes its regulatory and inspection responsibilities through a diverse staff of railroad safety experts.
The Federal Railroad Administration is responsible for working with stakeholders to develop cohesive goals and policies for maintaining and improving the U.S. freight and passenger rail networks. This section covers various efforts across America and the world in helping to deliver safe, reliable, and efficient rail transportation.
FRA Research & Development (R&D) projects contribute to the FRA's safety regulatory processes, to railroad suppliers, to railroads involved in the transportation of freight, intercity passengers, commuters, and to railroad employees and their labor organizations.
In this section, we provide descriptions and comprehensive, official sources for FRA's regulations (also called rules), selected legislation, as well as policy and guidance documents. Additionally, you will find current topics of high interest or significant impact to Congress, railroads, employees, labor, public interest groups and other stakeholders.
FRA supports passenger and freight railroading through a variety of competitive grant, dedicated grant, and loan programs to develop safety improvements, relieve congestion, and encourage the expansion and upgrade of passenger and freight rail infrastructure and services. FRA also provides training and technical assistance to grantees and stakeholders.
Single Passenger Rail Car Impact Test Volume I: Overview and Selected Results
AUTHOR: David Tyrell, Kristine Severson, A. Benjamin Perlman OFFICE: RPD REPORT NUMBER: DOT/FRA/ORD-00/02.1 KEYWORDS: Transportation, safety, crashworthiness, occupant protection, rail vehicles ABSTRACT: On November 16, 1999, at the Transportation Technology Center in Pueblo, Colorado, a test was conducted of a single rail
passenger car colliding with a fixed wall at 35 mph. The car was instrumented to measure (1) the deformations of critical structural
elements, (2) the vertical, lateral, and longitudinal deceleration of the carbody and trucks, and (3) displacements of suspension
systems. The car was equipped with anthropomorphic test devices (test dummies) in three interior arrangements: (1) Forward-facing unrestrained occupants seated in rows, compartmentalized by the forward seat in order to limit the motions of
the occupants; (2) Forward-facing restrained occupants with lap and shoulder belts; (3) Rear-facing unrestrained occupants. The purpose of the test was to validate and calibrate computer models for analyzing crashworthiness of rail passenger vehicles.
Prior to the test, computer models were used to simulate the car’s response during the test, and to develop the information required
to determine the placement and type of instrumentation, as well as bounding the range of the interior decelerations likely to be
experienced by the test dummies. Qualitatively, the results of the test and pre-test analyses are in reasonable agreement.
Quantitatively, the results are in reasonable agreement for many of the key measures of the response of the equipment.