Attention eLibrary Visitors! The eLibrary is currently undergoing reconstruction. If you are unable to locate the document you are searching for and need assistance, please contact the FRA Web Team at email@example.com.
To search an exact document title or key phrase, place quotations around the text. Example: "U.S. Government Grade Crossing Research & Stakeholder Engagement" Entering keywords without quotations will search the eLibrary for all occurrences of the keywords.
Keywords: Ballast behavior, discrete element modeling, DEM, Discrete Element Method, triaxial test, fouling, dynamic train loading, ballast degradation and image analysis
Abstract: An innovative integrated computational-experimental laboratory testing framework has been developed at the University of Illinois at Urbana-Champaign to evaluate clean and fouled...
Policy and Guidance
Second Interim Statement of Agency Policy and Interpretation on the Hours of Service Laws as Amended in 2008
Keywords: Hours of Service, Interim Interpretations, Signal Employee Exclusivity, Consecutive Days Provision, Commingled Service
Abstract: Hours of Service; Operating Practices; Signal and Train Control