Oman recently got a taste of tunnel with Al Sharqiyah Expressway. It have 2 tunnels total 2,1 kilometres. Now Oman shall build 9 tunnels 10 times longer at Diba-Lima-Khasab road project in Musandam Governorate. Total length of new project have 21 kilometres (10 time longer than Al Sharqiyah's 2,1 kilometres).

Two companies submit bids for tender of Diba-Lima-Khasab road project. Omani Galfar Engineering & Contracting SAOG and Turkish firm Kolin Insaat. Zawya report 6 companies fetched tender conditions documents in 2018.

https://www.zawya.com/mena/en/business/story/Tunnels_to_cover_around_half_of_55km_Musandam_road_project-SNG_165505535/