; and (ii) conflict de-escalation training for bus operators; (C) installation of seating and modification to design specifications of bus operator workstations that reduce or prevent injuries from ergonomic risks; and (D) other measures that the Secretary determines would significantly reduce the number and rate of accidents, injuries, assaults on bus operators, and fatalities related to bus operations. (4) Updating requirements The Secretary shall require each recipient required to develop a program under paragraph (1) to— (A) update the program annually; and (B) resubmit the program for approval by the Secretary not less than once every 3 years. . 4. Rail operations worker assault risk reduction program (a) Public transportation safety program section Section 5329 of title 49, United States Code, as amended by section 3, is further amended by adding at the end the following: (m) Rail operations worker assault risk reduction program (1) Requirements Not later than 2 years after the date of enactment of this subsection, the Secretary shall require each recipient that operates a rail fixed guideway public transportation system that is not subject to regulation by the Federal Railroad Administration to— (A) develop a risk reduction program for assaults on rail workers under paragraph (2) to improve safety by reducing the number and severity of assaults on rail workers, including operators and station personnel; (B) submit the program required under subparagraph (A), including the implementation plan required under paragraph (3), to the Secretary for review and approval; and (C) implement the program and plan approved by the Secretary. (2) Development of program A recipient required to develop and submit a risk reduction program for assaults on rail workers under paragraph (1)— (A) shall develop the program by conducting risk analysis on assaults on workers serving the rail operations of the recipient