The U.S. Department of Transportation’s Volpe Center intends to award a sole source contract for Track System Safety Research Rail Integrity Consulting Services. The contractor will provide engineering consulting on track buckling and rail failures, including recorded technical consultations, presentations, white papers, and data files. The performance period includes a 1-year base period and two 1-year option periods. The work will be performed for the Volpe Center, supporting the Federal Railroad Administration’s Track Safety Research Program. No budget amount or performance location outside of the Volpe Center is specified.