Aerospace Report No. A T R - 7 8 ( 4 8 4 7 - 1 1 )-1 ND u SAFETY LIFE CYCLE ASSESSMENT PROGRAM TASK 6 RAILROAD STRUCTURAL INTEGRITY CRITERIA ANALYSIS Final Report Prepared by THE AEROSPACE CORPORATION Eastern Technical Division Development Programs Directorate Washington, D.C. October 1978 Prepared for U.S. DEPARTMENT OF TRANSPORTATION Federal Railroad Administration Office of Rail Safety Research Washington, D.C. § Contract No. F04701-77-C-0078 03 - Rail Vehicles St Components