Aprovincial steering committee for the tunnel construction said the localCa Pass Investment JSC would begin work on October 10 under abuild-operate-transfer model at a cost of 9.5 trillion VND (500 millionUSD).
French banks Societe General and Credit Agricole have agreed to lend the company the amount.
Once completed in 2014, the tunnel will be 11.5km long and help reducetravel time through the pass from several hours to 15 minutes.
Vehicles travelling along the pass are often involved in accidents due to steep curves.
The tunnel will be the third on the highway after those through the Hai Van and Ngang passes./.