High-Speed Rail Turnout Literature Review(PDF) (Report). U.S. Department of Transportation – Office of Research, Development, and Technology. August 2016. DOT/FRA/ORD-16/34. Archived(PDF) from the original on 8 November 2023. Retrieved 9 November 2023.
High-Speed Rail Turnout Literature Review(PDF) (Report). U.S. Department of Transportation – Office of Research, Development, and Technology. August 2016. DOT/FRA/ORD-16/34. Archived(PDF) from the original on 8 November 2023. Retrieved 9 November 2023.