Transportation Technology Center, Inc. (TTCI) tested and evaluated the performance of four No. 20 fixed-point frogs on the Norfolk Southern Railway (NS) track as part of the jointly funded Association of American Railroads (AAR) and Federal Railroad Administration (FRA) Heavy Axle Load (HAL) Revenue Service Test Program.
In a collaboration between the Federal Railroad Administration (FRA) and the Association of American Railroads (AAR), Transportation Technology Center...
Transportation Technology Center, Inc. (TTCI) evaluated the performance of several No. 20 fixed-point frogs on Norfolk Southern Railway (NS) in Kentuc...
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