Low-Cost Tunnels for Rural Roads in Asia and the Pacific

In rural areas, tunnels for transport, irrigation, and other purposes can provide a cost-effective, low-maintenance, and safe alternative to surface routes in difficult terrain. They also have a smaller environmental footprint by reducing emissions and lessening impacts on biodiversity and cultural heritage. Well-designed and constructed tunnels are resilient and provide rural communities with an important asset for generations, if not longer.

  • Key Points
  • Introduction
  • Tunnel Impact and Sustainability
  • Tunneling Methodologies
  • Tunneling Costs
  • ADB Strategy 2030
  • Examples of Low-Cost Rural Tunnels
 

 
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Source URL: https://www.adb.org/publications/low-cost-tunnels-rural-roads-asia-pacific