Is mass rapid transit applicable for deep integration of freight-passenger transport? A multi-perspective analysis from urban China

•A deep freight-on-rail-transit strategy is proposed to integrate urban transport.•Drivers and barriers to deep FoRT strategy are identified.•Suitability of MRT-based integrated logistics system adoption in China is assessed.•Influencing factors of project adoption and policy implications are suggested.•Government support and public–private partnerships are critical to project success.