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National Freeway No.1 Widening Wugu to Yangmei

Taipei County & Taoyuan County, Taiwan

Market Sector

Surface Transportation


Roadway Design

Services Provided

Construction Management, Design, Surveying, Environmental, Seismic Analysis and Design, Planning


Asia Pacific

The first freeway ever constructed in Taiwan, National Freeway No. 1 was opened to the public in 1978. Over the last 30 years, the freeway has provided and facilitated sustained economic development to the country.

National Freeway No. 1 connects the district of Wugu and the city of Yangmei, linking the Technology Industry Center in Hsinchu and the political and economic center of Taipei. It is also an extensive road network linking major technology production centers along the route, including Taoyuan International Airport.

Due to poor service ratings, the freeway operated at a much lower efficiency level, which affected Taiwan’s rate of development and national productivity and necessitated a significant upgrade strategy.

Project Highlights:

  • The Project involved the widening of 40 kilometers of the freeway and the construction of elevated roadways along both sides of the existing freeway.
  • At Taoyuan International Airport, two of these widened lanes were dedicated to providing an access point to and from the airport.

Services Provided:

TYLI Taiwan executed the feasibility study for the Project, as well as an environmental impact assessment, and was involved with the engineering planning and design details of priority sections of the freeway.