Friday, November 07, 2008


Road Tunnels are engineering marvels that never fails to amaze (and amuse!) me. I always make sure I am wide awake entering it, holding my breath while passing it and let a sigh of relief as soon as I get out of it. I’m sure you do too. The ultimate claustrobhobia-inducing nightmare for some =)

These are the 10 Longest (Navigable) Tunnels in Southeast Asia. The list includes all type of tunnels -- Sub-aqueous road tunnels, rock, shield and immersed tubes but excludes the subway systems of Singapore, Bangkok and Kuala Lumpur.

1. Hai Van Pass Tunnel, Vietnam. At 6280 m (6.28 km) long it is the longest navigable tunnel in the whole of Southeast Asia. It was opened on 05 June 2005. The tunnel has a cross sectional area of 73 sq.m. and carries daily traffic from the Port City of Danang to Hue.

2. CTE II, 3.7 km (highway), Singapore

3. SMART Tunnel, 3.3 km (highway); 9.7km (floodway), Malaysia

4. CTE, 2.4 km (highway), Singapore

5. CTE I, 1.7 km (highway) , Singapore

6. Khun Tan Tunnel, 1.4 km, Thailand (rail tunnel in Lampang and Lamphun provinces)

7. Phra Phutthachai Tunnel, 1.2 km, Thailand (rail tunnel in Saraburi province)

8. Genting Sempah Tunnel, 900 m (highway), Malaysia

9. Menora Tunnel, 800 m (highway), Malaysia

10. Penchala Tunnel, 700 m (highway), Malaysia

If bridges are out of the question, dig tunnels.



Curbside Puppet said...

and if money isn't a problem, dig tunnels!

ken said...

although not the longest but to hav 4 in top 10 is quite ok ;-)

*why not include the tunnel made/dig by the communist during emergency period in msia? i think longer than smart tunnel

travelphilippines said...

whoa 6 km now let me think about that first before getting inside... lolz.

Xiong said...


I think you've missed the newly-opened Kallang-Paya Lebar Expressway in Singapore.

"twelve kilometres, with approximately 8.5 kilometres of main cut and cover underground tunnels running some 10 kilometres underground when fully completed... 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."


onare said...

hey guys.

why i cant see any post about our new MISS EARTH, which is the Ms PHILIPPINES.

hmmm...just asking

salingPUSA said...

I really thought the smart tunnel of Malaysia was the longest.....

thanks for the info---

Sagem said...

Some useful stats, who doesn't love tunnels!

Rooster_KooL said...

New update. The longest Tunnel in South East Asia is KPE (Kallang-Paya Lebar Expressway) tunnel in Singapore.

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