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: FY 2020 Federal-State Partnership for State of Good Repair Grant Program Webinar
Keywords: Introduction to NEPA and FRA’s Categorical Exclusions
Keywords: Section 106 Overview, Grantees
Keywords: Emergency warning, train horn, trespassers, music masking sounds, reaction time, acoustic warning device
Abstract: Acoustical warning devices are designed to warn trespassers of an approaching train. This study evaluated the urgency and detectibility of potential warning sounds.
Acoustical warning devices are designed to warn trespassers of an approaching train. This study evaluated the urgency and detectibility of potential warning sounds.