The in-pit and waste dump slopes in the opencast mine are exposed to various loads that can make them unstable. One crucial factor impacting stability is the presence of load-carrying trucks on the haul roads constructed along the slope’s benches. This study assesses the slope stability of a Wollastonite and Calcite mine site, considering the impact of haul road loadings. The truckload was assigned as an equivalent single-wheel load determined as per the site. The study aims to evaluate the effects of increased loading on haul roads and to observe the subsequent reduction in the factor of safety (FoS). A numerical approach was utilized to carry out the analysis of the sections. Key findings reveal that the loading of haul roads significantly influences slope stability, and with certain slope design configurations, the enhancement of resilience against potential failures can be achieved. The site-specific remedial measures and recommendations were discussed based on the results obtained.