Improving Rail in Rural Communities
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Comparison of Noise for TRAin STandards
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High Speed Rail: Cost of Compliance for Noise Mitigation ProceduresFouled Ballast Waiver Operations and Results
Current regulations require locations of noncompliant ballast to be remediated within 30 days or to be taken out of service, regardless of track class. In 2013, the Association of American Railroads (AAR) applied for a waiver to the current regulations that proposed a track class specific...
Concrete Tie Performance in Degraded Track Conditions
FRA and RailTEC at the University of Illinois at Urbana-Champaign examined the performance of degraded concrete crossties installed on U.S. high-speed rail and joint passenger/freight rail corridors. Research showed that center binding conditions often led to flexural cracks in concrete...
Additional Information on Section 4(f) and Programmatic Evaluations
What is Section 4(f)?
Section 4(f) refers to the original section in the U.S. Department of Transportation Act of 1966, which provided for consideration of park and recreation lands, wildlife and waterfowl refuges, and historic sites during transportation project development. Section 4(f) applies only to the U.S. Department of Transportation (USDOT), now codified at 49 U.S.C. § 303 and 23 U.S.C.