As Singapore's industrial frontier at Tuas South grows denser with workers and ambition, the Land Transport Authority is turning to a quiet but consequential question: what fills the space between a bus and a train? By studying Bus Rapid Transit systems from Shanghai to Curitiba, planners are searching not for a copy of someone else's answer, but for a version of transit that fits Singapore's own contours — one that could, if the pilot holds, quietly reorder how the island moves.