2024 49 CFR 213.127 – Rail fastening systems

2023 49 CFR 213.127 – Rail fastening systems

2022 49 CFR 213.127 – Rail fastening systems

2021 49 CFR 213.127 – Rail fastening systems

2020 49 CFR 213.127 – Rail fastening systems

2019 49 CFR 213.127 – Rail fastening systems

2016 49 CFR 213.127 – Rail fastening systems

2015 49 CFR 213.127 – Rail fastening systems

2014 49 CFR 213.127 – Rail fastening systems

2010 49 CFR 213.127 – Rail fastening systems

2009 49 CFR 213.127 – Rail fastening systems