Keisei Bus Chiba West is a bus operator under the Keisei Electric Railway Group bus holding company, headquartered in Urayasu City, Chiba Prefecture.
The company was established in April 2025 through the merger of Keisei Transit Bus, Tokyo Bay City Kotsu, Funabashi Shin-Keisei Bus, and Matsudo Shin-Keisei Bus.
Its service area covers the northwestern part of Chiba Prefecture.
Furthermore, starting in April 2026, the Matsudo and Ichikawa operating offices of Keisei Bus will be integrated into the company.
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