BIR YOʻLLI TEMIR YOʻL UCHASTKALARIDA POYEZDLARNI KESISHTIRISH VA QUVIB OʻTISHNI EVRISTIK VA QIDIRUV USULLARI BILAN OPTIMALLASHTIRISH

A two-stage decision-support approach is considered for restoring a feasible timetable on a single-track railway. An initial solution is formed using train priorities and the first-out-first-in rule; a time-limited search then compares alternative conflict-resolution sequences. For a local P5–P1 conflict, allowing P5 to proceed first requires 15 minutes of additional waiting instead of 34 minutes for the opposite choice. In the six-train example reported in the dissertation, total waiting decreases from 172 to 109 minutes, or 36.63%. The annual operating-cost saving reported for the adopted workload and rates is UZS 270,937,437. This is a conditional calculation rather than an observed annual financial result. Station capacity and safety constraints remain mandatory during rescheduling.

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