Safety Assessment for Urban Mass Transit System Using Analytical Hierarchy Process

Based on the existing issues and status of urban mass transit (UMT) safety at home and abroad, many key influence factors for UMT safety are proposed in this paper. First, we have analyzed all relevant factors and causations of UMT safety under the human-machine-environmental system. Then, a safety assessment approach based on analytical hierarchy process is proposed in this paper for UMT operating security system. The multi-hierarchy valuation structure is established on the basis of key influence factors for UMT safety. The proposed approach can adjust the balance of safety assessment factors, and provide decision-making advices for the department managers for safety management and safety assessment.