The Israeli government is planning an estimated $800-million expansion of the 140-kilometer Cross-Israel Highway, the country’s sole north-south toll road. A joint committee of ministry representatives has issued a request for proposals for two extensions totaling 20.5 km, including 3.7 km of tunnels. Photo: TEDEM Civil Engineering Two planned extensions to the Cross-Israel highway, the country’s first toll road, will add 20.5 kilometers and three tunnels to its 140-km length. The highway’s original $1-billion segment, designed to allow drivers to bypass the congested Tel Aviv metropolitan area and substantially reduce north-south travel times, opened in 2001. “This is one of
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.