Term of the Road Dictionary
double-deck tunnel
- Language : PIARC Road Dictionary / English
- Theme : Structures Tunnels
- Definition : Single-tube tunnel with two carriageways located one above the other.
Welcome on piarc.org!
PIARC (World Road Association), founded in 1909 and comprising 125 member governments from all over the world, is the global forum for exchange of knowledge and experience on roads, road transport policies and practices. With consultative status to the Economic and Social Council of the United Nations, the Association is contributing to a stable and sustainable global development of the road and transport sector.This site uses cookies to optimize its operation. They allow you to securely access your personal space and download our publications. You accept their use by clicking on the "Accept" button.