When the Toa Payoh station opened on Nov 7, 1987, it was the starting point on a 6km Mass Rapid Transit (MRT) route comprising five stops, ending in Yio Chu Kang station.
The early stations on that inaugural route - also including Braddell, Bishan and Ang Mo Kio - were the first foray into an MRT system and were basic structures, engineered to be cost-effective and safe.
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