# Thailand to Abandon Underground Tunnel for Northern Bangkok Expressway Project

- Link: https://www.thailand-business-news.com/national/174709-thailand-to-abandon-underground-tunnel-for-northern-bangkok-expressway-project
- Published: 2024-11-12T19:24:51+07:00
- Author: Thai News ข่าวไทย

**Thailand plans to cancel the underground tunnel segment of the Northern Bangkok
Expressway project due to financial concerns, as the project does not guarantee 
sufficient returns despite its potential economic benefits.**

Thailand will not move forward with the underground tunnel segment of the Northern
Expressway project in Bangkok due to financial concerns. Minister of Transport Suriya
Juangroongruangkit announced that the project, designed to link the Si Rat Expressway
with Ngamwongwan and Prasert Manukit Roads, has been deemed financially unviable.

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The Expressway Authority of Thailand (EXAT) reported that the project’s financial
internal rate of return (FIRR) was negative, despite an economic internal rate of
return (EIRR) of 19.2%. Suriya emphasized the importance of financial viability 
for projects, which is crucial for their construction and maintenance.

Originally intended to reduce community opposition to an elevated expressway, the
underground option proved too costly, with an estimated total project cost of THB49.22
billion ($1.4 billion). This includes substantial funds allocated for construction
and land acquisition, leading to its eventual cancellation.

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**Source** : [Thailand plans to cancel underground tunnel for Northern Bangkok Expressway project](https://www.tunnelsandtunnelling.com/news/thailand-plans-to-cancel-underground-tunnel-for-northern-bangkok-expressway-project/?rand=157030)