Technical Specification of Maintenance for Highway Tunnel Design Specification for Traffic Engineering of Highway Tunnel Technical Specification for Membrane Structures Technical specifications for foundation piles testing of highway engineering Technical Specifications for Const ruction of Highway Asphalt Pavements Technical Specification for Construction of Highway Cement Concrete Pavements Technical Specifications for Construction of Highway Cement Concrete Pavements Hydrological Specifications for Survey and Design of Highway Engineering Specifications for design of highway tunnels Technical Specification for Anticorrosion Engineering with Furan Resin