Excerpt from Proceedings of the American Railway Engineering Association, Vol. 77 The paper contains a discussion of principles and criteria for the design of a railroad track test facility. One such facility is to be built and Operated by the Federal Railroad Administration (f ra). The purpose of the tests to be conducted is to support the various track research programs which aim to improve the design as well as the maintenance procedures and safety of railroad tracks. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.