Shanghai Provincial Standard of the People's Republic of China
Latest
DB31/T 1120-2018
Scope
This standard specifies the basic provisions for traffic signs and markings on urban underground roads, the requirements for the setting of traffic signs, the requirements for the setting of traffic markings, and the requirements for the coordinated setting of traffic signs and markings. This standard is applicable to the setting of traffic signs and markings on newly built or renovated urban underground roads. It is applicable to traffic signs and markings inside underground roads, as well as entrance notice signs for entrance and exit areas, and surface roads surrounding areas connected to underground roads. Wait for traffic signs and markings.
DB31/T 1120-2018 history
2018DB31/T 1120-2018 Specifications for the setting of traffic signs and markings on urban underground roads