U.S. transportation authorities have called on Japanese manufacturer Kawasaki Heavy Industries Ltd. to launch a prompt inspection of its carriages over a recent derailment incident in the Washington subway system.The Washington Metropolitan Area Transit Authority also suspended the use of Kawasaki Heavy's 7000-series train cars on Monday, saying it will continue subway operations using different carriages until the safety of the type involved in the incident is confirmed.A train on the Blue Line of the Washington subway system derailed on Oct. 12 with 187 passengers on board. Although no fa…READ FULL ARTICLE