“ANALISIS KINERJA BUS TRANS JATIM SEBAGAI MODA TRANSPORTASI KOTA SURABAYA (STUDI KASUS : KORIDOR 1 RUTE SIDOARJO – SURABAYA – GRESIK): PERFORMANCE ANALYSIS OF TRANS JATIM BUSES AS A MODE OF TRANSPORTATION IN SURABAYA CITY (CASE STUDY: CORRIDOR 1 ROUTE SIDOARJO – SURABAYA – GRESIK)”, CONCRETE, vol. 3, no. 02, pp. 125–130, Oct. 2025.