CFR › Title 49 › Part 673Part 673 — Public Transportation Agency Safety PlansSubpart A — General§ 673.1— Applicability.§ 673.3— Policy.§ 673.5— Definitions.Subpart B — Safety Plans§ 673.11— General requirements.§ 673.13— Certification of compliance.§ 673.15— Coordination with metropolitan, statewide, and non-metropolitan planning processes.Subpart C — Safety Committees and Cooperation With Frontline Transit Worker Representatives§ 673.17— Cooperation with frontline transit worker representatives.§ 673.19— Safety Committees.Subpart D — Safety Management Systems§ 673.21— General requirements.§ 673.23— Safety Management Policy.§ 673.25— Safety Risk Management.§ 673.27— Safety Assurance.§ 673.29— Safety Promotion.Subpart E — Safety Plan Documentation and Recordkeeping§ 673.31— Safety plan documentation.