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The Kallang–Paya Lebar Expressway (Abbreviation: KPE; ​Template:Zh​; ​Template:Lang-ms​; ​Template:Lang-ta​) is the third newest of Singapore's network of expressways. The southern section of the expressway opened first, on 26 October 2007, with the remaining section fully opened on 20 September 2008.

Connecting the East Coast Parkway in the South and the Tampines Expressway in the north-east, the 6 lane (2x3) expressway extends twelve kilometres, with approximately ​Template:Convert​ of main cut and cover underground tunnels running some 10 kilometres underground when fully completed. Built at a cost of approximately S$1.8 billion (US$1 billion), it is the longest subterranean road tunnel in Southeast Asia. The KPE is also believed to be the world's sixth longest underground road project at its time under construction. In all, the dual-carriageway expressway with three lanes in each direction will have eight interchanges, eleven on-ramps, and twelve off-ramps. The KPE also connects to the Marina Coastal Expressway which recently opened on December 29, 2013.