The Department of Public Works and Highways (DPWH) is now preparing the specialized equipment to work for the Davao twin tunnels.
https://ptvnews.ph/dpwh-readies-machine-for-davao-twin-tunnels/
https://www.bworldonline.com/tunnel-excavation-for-japanese-funded-davao-bypass-road-to-start-oct/
EXCAVATION ACTIVITIES for the twin tunnels of the 45.5-kilometer Davao City bypass road project will start in October, according to a Department of Public Works and Highways (DPWH) official.
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://ptvnews.ph/dpwh-readies-machine-for-davao-twin-tunnels/
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