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: E-ATC, PTC, braking enforcement
Keywords: Quasi-Moving Block (QMB), next generation track circuit, NGTC, track circuit enhancements
Keywords: Automated Track Inspection Program, machine vision, data products, imaging systems
Keywords: Probability of detection, MAPOD, ultrasonic rail flaw inspection
Keywords: Probability of detection, MAPOD