USA Banner
  U.S. flag
              An official website of the United States government Here's how you knowOfficial US Government Icon
              **Official websites use .gov**A **.gov** website belongs to an official government organization in the United States.
            Secure Site Icon
              **Secure .gov websites use HTTPS**
                  A **lock** ( A locked padlock ) or **https://** means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites. 
 U.S. Department of Transportation Icon United States Department of Transportation
 Search DOT
            Search
                        About FRAAbout FRA
  

        
              Overview
                Organization
                Program Offices
                Resource Center
                Web Policies and Notices
                Contact Us
                Communications
                Governmental AffairsFeatured
  

        
              Bipartisan Infrastructure Law Information from FRA
                Careers
                Leadership Profiles
                Organizational Chart
                Newsroom
                Press Releases
                Speeches
                Fact Sheets
                TestimonyRailroad SafetyFeatured
  

        
              Train Horn Rule/Quiet Zones
                Public Blocked Crossings Incident Reporter
                Drug & Alcohol
                Safety Data
                C3RS
                High-Hazard Flammable Train Route AssessmentRailroad Safety
  

        
              Overview
                Railroad Crossing Safety & Trespass Prevention
                Accident Data & Reporting, Investigations
                Divisions
                Partnerships & ProgramsRail Network DevelopmentFeatured
  

        
              High-Speed Rail
                Amtrak
                Environmental Reviews
                GIS Maps
                RuralRail Network Development
  

        
              Overview
                Passenger Rail
                Freight Rail
                Environment
                Planning
                International
                Maps & Data
                Training & GuidanceResearch & DevelopmentFeatured
  

        
              R&D Current Projects
                Positive Train Control
                Hazardous Materials
                Highway-Rail Grade Crossing
                Close Call Reporting
                Broad Agency AnnouncementResearch & Development
  

        
              Overview
                Program Areas
                R&D ReportsLegislation & RegulationsFeatured
  

        
              FAST Act
                National Rail Plan
                Proposed State Rail Plan
                Civil PenaltiesLegislation & Regulations
  

        
              Overview
                Legislation
                Regulations & Rulemaking
                Buy AmericaGrants & LoansFeatured
  

        
              FRA Discretionary Grant Program Tool
                Discretionary Grant Calendar
                Railroad Capital Project Guidance
                FRA Webinars
                DOT GrantsGrants & Loans
  

        
              Overview
                Grant Programs
                Applying for Grants
                Resources for Grant Recipients
                Training & GuidanceFRA eLibraryeLibrary
  

        
              Accidents & Fatalities
                Compliance
                Conferences & Presentations
                Emergency & Safety
                Enforcement & Litigation
                Publications & Policy
                Reports
                OtherMenu Home


            
            Document Type
      Public Affairs & Policy
  (1)Reports
  (15)
Subjects
      Show all
  (563)Evaluation
  (52)Highway-Rail Grade Crossings
  (43)Human Factors
  (36)Track
  (28)Positive Train Control
  (26)Hazardous Materials
  (22)Maglev
  (22)High-Speed Passenger Rail
  (16)(-)
Rail and Infrastructure Integrity
  (16)Passenger Rail
  (15)Train Horn Noise
  (15)Track/Train Interactions
  (14)USDOT National Highway-Rail Crossing Inventory
  (14)Facilities & Test Equipment
  (13)Tracks & Structures
  (13)Motive Power and Equipment
  (11)Signal and Train Control
  (11)Environmental Protection
  (10)Highway-Rail Grade Crossing Warning Systems
  (10)Operating Practices
  (10)Grade Crossing Technology
  (10)Grants & Financial Assistance
  (9)Freight Operations
  (8)Safety Performance Measures
  (8)Train Control
  (8)Safety Advisories
  (7)Risk Reduction Program
  (6)Safety Regulatory Analysis
  (6)Best Practices
  (6)Technology Transfer
  (5)Communications
  (5)Braking Systems
  (4)Railroad Employees
  (4)Accident Investigations
  (3)Employee Fatalities
  (3)Enforcement
  (3)Engineer Certification
  (3)Crashworthiness - Passenger Equipment
  (3)Rolling Stock
  (3)Trespasser Programs
  (3)Program Evaluation
  (3)Grade Crossing Modeling and Simulation
  (3)Automated Track Inspection Program (ATIP)
  (2)Continuous Welded Rail
  (2)Drug and Alcohol Program
  (2)Hours of Service
  (2)Industrial Hygiene
  (2)Occupational Noise Exposure
  (2)Railroad System Oversight
  (2)Crashworthiness - Tank Car
  (2)Worker Protection
  (2)Switching Operations
  (2)Accident Reduction
  (2)Risk Assessment
  (2)Automation
  (2)Testing
  (2)Grade Crossings
  (2)Safety Culture
  (2)Shared Corridor
  (2)Grade Crossing and Trespass Outreach/Education
  (2)Trespass Countermeasures
  (2)Bridge and Structures Safety
  (1)Fatigue Management
  (1)Intelligent Railroad Systems
  (1)Intercity Passenger Rail Investment
  (1)Occupant Protection
  (1)Railroad Safety Program Management
  (1)Roadway Maintenance Machine Safety
  (1)Railroad Rehabilitation & Improvement Financing (RRIF)
  (1)Statutory Mandates
  (1)Tourist Railroads
  (1)Collision
  (1)Work Schedule & Sleep Patterns
  (1)Crew Resource Management (CRM)
  (1)Civil Rights
  (1)Analysis
  (1)
                
                eLibrary Search
**Your Selections:**Reset(-)
Rail and Infrastructure Integrity
  (16)
The FRA eLibrary contains all the documents that are found throughout the FRA Public Website. Multiple pages on the website may link to the same eLibrary item based on its set of metatdata.

**Can I find All FRA Documents in the Library?**
Some "documents" may not appear here for the following reasons:

Document resides on an external site for the record of source, links to the document are provided in context but not in the library as FRA does not maintain this record. This document lives on another website.
	Document has not yet been assigned keywords.
	Document is historical and has been removed from library to avoid confusion with current publications.
	Document is public affairs & policy related, such as press releases, speeches, testimony, or fact sheet. These press-related documents can now be found in the FRA Newsroom.
	Document is related to rules and notices. This information can now be found on the Rulemakings search and the Notices search, respectively.Refine Your Search
            **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.**
            

Dates
  Date fromDate toSort by
                    
Sort by Date (Most Recent)Sort by Title (A-Z)Items per page
                    
52550
  
  

  15
Sep
2017
Technical Reports
Monitoring Longitudinal Rail Stress Using Diffuse Ultrasonic Backscatter
Author
          Federal Railroad Administration

Subject
                    Rail and Infrastructure Integrity

**Keywords:** stress in rail; ultrasonic transducers; ultrasound scattering; theoretical model of the scattering process; prototype devices for stress estimations in rail; laboratory and field tests
**Abstract:** In this report, research was conducted at the University of Nebraska-Lincoln pertaining to the use of ultrasound scattering from polycrystalline grains to estimate and monitor...
Report Number
              DOT/FRA/ORD-17/15

  Office
              RDI-21
    13
Jan
2017
Technical Reports
Weld Repair of Manganese Frogs for Enhanced Performance
Author
          Federal Railroad Administration

Subject
                    Best Practices,
                    Rail and Infrastructure Integrity,
                    Track

**Keywords:** Reciprocating wire feed, constant voltage, Flux-Cored Arc Welding, heat-affected zone, radiographic testing, Shielded Metal Arc Welding, ultimate tensile strength, yield strength.
**Abstract:** When special trackwork contact surfaces (such as manganese-steel turnout frogs) become worn and damaged, they can be repaired to extend their lifetime, but current repair...
Report Number
              DOT/FRA/ORD-17/01

  Office
              RRD
    4
Apr
2014
Technical Reports
Quantification of the Effectiveness of Handheld Equipment for Ground Verification of Detected Rail Internal Defects
Author
          Leith Al-Nazer (Federal Railroad Administration), Dr. Thomas Raslear (Federal Railroad Administration), Lucas R. Welander (Transportation Technology Center, Inc.)

Subject
                    Rail and Infrastructure Integrity,
                    Track,
                    Tracks & Structures

**Keywords:** Ultrasonic phased arrays, conventional ultrasonic, rail flaw sizing, nondestructive testing
**Abstract:** The objective of this project was to quantify the effectiveness of the rail inspection ground verification process.  More specifically, the project focused on comparing the...
Report Number
              DOT/FRA/ORD-14/07

  Office
              RRD
    24
Jan
2014
Policy and Guidance
Self-Adaptive Scheduling Algorithm - Guidance

Subject
                    Continuous Welded Rail,
                    Rail and Infrastructure Integrity

**Keywords:** Self-Adaptive Scheduling Algorithm
    1
May
1999
Technical Reports
Test and Evaluation of Rail Flaw Detection Technologies
Author
          Greg A. Garcia, Richard P. Reiff

Subject
                    Rail and Infrastructure Integrity

**Keywords:** Nondestructive Inspection, Laser Ultrasonics, Remote Field and Low Frequency Eddy Current Testing, Electromagnetic Acoustic Transducer, Flaw Growth Rate
**Abstract:** Internal flaws in rail occur as a consequence of the accumulation of fatigue under repeated loading. Inspection of the rail to detect flaws before they progress to complete...
Report Number
              R-934

  Office
              RRD

  Pagination
    1
              2
              3
              4
                                      ›
            ››
                          »
            Last » U.S. DEPARTMENT OF TRANSPORTATION

**Federal Railroad Administration**

1200 NEW JERSEY AVENUE, SE

WASHINGTON, DC 20590

202-366-4000Subscribe to email updates
                    About Us
  

        
              About FRA
                Careers
                Contact Us
                FRA Civil Rights
                Doing Business with FRA
                Grants and Financial Assistance
                Safety Management TeamsAreas of Interest
  

        
              Bipartisan Infrastructure Law
                Safety Data
                Buy America
                Operation Lifesaver
                Railroad Safety Advisory Committee
                FRA Secure Area
                Proactive DisclosureI Am A...
  

        
              Railroad Traveler
                Railroad Inspector
                Reporter
                Educator/StudentPolicies, Rights, Legal
  

        
              About DOT
                Budget and Performance
                Civil Rights
                FOIA
                Information Quality
                No FEAR Act
                Office of Inspector General
                Privacy Policy
                USA.gov
                Vulnerability Disclosure Policy
                Web Policies and Notices
                Web Standards