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Home > What's New! > Improvement of The National Road No.1
This project is for improvement of the existing National Road No.1, one of the most important trunk roads in Cambodia, which connects the capital city of Phnom Penh to Vietnam. This is Japanfs ODA grant aid project.

This improvement work is for 9.1km in length of the National Road No.1 (of which total length 56km) starting from 4.0km suburbs of Phnom Penh city to 13.1km towards Vietnam border. The project contains widening and pavement repair work of the existing road.
Project Outlines:
Project Name: The Project For Improvement of The National Road No.1
Location Map
Site: Phnom Penh City
Construction Time: December 2009 - March 2011
Client: MINISTRY OF PUBLIC WORKS AND TRANSPORT
(THE KINGDOM OF CAMBODIA)
Section Length: 9.1Km
Works:
  Earthwork:
    Clearing and Grubbing; 200,000m2
    Excavation Cut; 130,000m3
    Replacement of Sand; 46,000m3
    Embankment Fill; 200,000m3
    Slope protection (Vegetation); 111,000m2
    Cement treatment for sub-base; 56,000m3
  Pavement:
    Lower-Subbase Course; 48,000m3
    Upper-Subbase Course; 25,000m3
    Base Course; (t=50mm) 163,000m2
    Surface Course; (t=40mm) 68,000m2
Soil Import Work
Soil Import Work
Soil Import Work
Soil Import Work