VIPs viewing the SMART tunnel alignment model during the construction and concession signing ceremony. (from left) Secretary general Ministry of Natural Resources and Environment Dato' Dr. Isahak Yeop Mohamad Shar, JPS Malaysia director general Dato' Ir. Keizrul Abdullah, Dato' Sri Adenan Satem Minister of Natural Resources and Environment, Minister of Works Dato' Seri S. Samy Vellu and Dato' Izzuddin Dali Ministry of Works secretary general