T/CITSA 11-2021 Road traffic variable information sign technical specification
T/CITSA 11-2021 Road traffic variable information sign technical specification
Basic Information
Scope
Main technical content: This technical specification is formulated to standardize the design, construction, and maintenance of variable information signs for road traffic, and to improve the service efficiency of variable information signs. This technical specification is applicable to the planning, design, construction, maintenance, and management of variable information signs for road traffic. Variable information signs for road traffic shall follow the principles of "overall planning, standardized guidance, pre-review, and clear rights and responsibilities". Due to differences in construction departments across different regions, this specification should be adopted according to local conditions and regulations within the framework of relevant national or industry standards.