Penchala Tunnel
The Penchala Tunnel is the widest highway tunnel in Malaysia. This 700-metre tunnel, located on the Sprint Expressway's Penchala Link, connects Sungai Penchala to Mont Kiara in the Klang Valley. Unlike other highway tunnels in Malaysia which used tunnel boring machines 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.
 Penchala Tunnel | |
| Overview | |
|---|---|
| Location | Kuala Lumpur, Malaysia |
| Status | Operational |
| Route |  |
| Operation | |
| Work begun | 2001 |
| Constructed | Gamuda Berhad |
| Opened | 2004 |
| Owner | Malaysian Highway Authority (LLM) |
| Operator | Sistem Penyuraian Trafik KL Barat Sdn Bhd (Sprint) |
| Technical | |
| Length | 700m |
| Operating speed | 90 km/h |
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