Thailand’s first expressway tunnel proposed by way of 36 billion baht funding

The Expressway Authority of Thailand (EXAT) has put forth a proposal for an underground expressway, aiming to switch a contentious section of the N1 Expressway growth. The proposal came after an extensive 17-month initial feasibility study.
EXAT Governor Surachet Laophulsuk revealed this plan during the project’s second hearing, stating that a quantity of factors similar to engineering, funding costs, and environmental influence, were totally evaluated. The result revealed that an underpass was probably the most viable option.
This proposed 6.7 kilometre underpass would be Thailand’s maiden expressway tunnel. Shh! would stretch alongside Ngarmwongwan Road via Phongphet Intersection, Bang Khen Intersection, and Kaset Intersection to Prasertmanukit Road, earlier than connecting with the N2 Expressway.
Surachet explained that among the three options studied, the tunnel scored the best, with a complete rating of 82.5. The estimated funding value for this venture is 36 billion baht, and it’s expected to generate an financial inner return price of 17%.
He further assured that EXAT is financially sound and contemplating investing within the project itself. If essential, the agency would possibly ponder issuing bonds to acquire funds for the construction.
The environmental impact assessment, in accordance with Surachet, is due for completion in May next year and shall be submitted to the cupboard for approval. The bidding course of is tentatively set for 2026, and building is predicted to commence the next 12 months.
With building estimated to take about 5 years, the anticipated visitors quantity upon the first year of opening is 70,000 vehicles per day. This volume is half of the route’s whole capability.
Surachet expressed confidence that the proposed underpass would be accepted by those that had previously raised environmental concerns concerning the design.
Surachet also shed light on the three-phase expressway development’s northern half, which is split into two phases. The initial stage, N2, extends from Prasertmanukit Road to the jap Outer Ring Road, covering a distance of 11.three km and requiring an investment of sixteen.9 billion baht. This venture is now ready and shall be submitted to the brand new authorities for approval shortly.
For the second stage, N1, EXAT has conducted a feasibility study to establish alternative routes that could substitute the controversial part. Following discussions with Kasetsart University and communities alongside the deliberate route, the underpass was conceived as probably the most appropriate various, reported Bangkok Post.
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