Section 674.9 - [Effective until 1/1/2025] Transition from previous requirements for State safety oversight(a) Pursuant to section 20030(e) of the Moving Ahead for Progress in the 21st Century Act (Pub. L. 112-141; July 6, 2012) ("MAP-21"), the statute now codified at 49 U.S.C. 5330 , titled "State safety oversight," will be repealed three years after the effective date of the regulations set forth in this part.(b) No later than three years after the effective date of the regulations set forth in this part, the regulations now codified at part 659 of this chapter will be rescinded.(c) A System Safety Program Plan (SSPP) developed pursuant to 49 CFR part 659 shall serve as the rail transit agency's safety plan until one year one year after the effective date of the Public Transportation Agency Safety Plan final rule, which will be codified in part 673 of this chapter.