The Penchala Tunnel is a highway tunnel in
Kuala Lumpur
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Malaysia
Malaysia ( ; ) is a country in Southeast Asia. The federation, federal constitutional monarchy consists of States and federal territories of Malaysia, thirteen states and three federal territories, separated by the South China Sea into two r ...
. It is the widest highway tunnel in the country. This 700-metre tunnel, located on the
Sprint Expressway's Penchala Link, connects Sungai Penchala to
Mont Kiara.
Unlike other
highway
A highway is any public or private road or other public way on land. It is used for major roads, but also includes other public roads and public tracks. In some areas of the United States, it is used as an equivalent term to controlled-acces ...
tunnel
A tunnel is an underground passageway, dug through surrounding soil, earth or rock, and enclosed except for the entrance and exit, commonly at each end. A pipeline is not a tunnel, though some recent tunnels have used immersed tube cons ...
s in Malaysia which used
tunnel boring machine
A tunnel boring machine (TBM), also known as a "mole", is a machine used to excavate tunnels with a circular cross section through a variety of soil and rock strata. They may also be used for microtunneling. They can be designed to bore thro ...
s during construction, the Penchala Tunnel was bored by using the slower
rock-explosion method, due to unstable rock condition (limestones) at the tunnel site which prevented the concessionaire company Sistem Penyuraian Trafik KL Barat Sdn Bhd (Sprint) to use the faster tunnel boring machine method.
References
Road tunnels in Malaysia
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