This standard specifies the composition, technical requirements, test methods, packaging, transportation and storage of temporary highway traffic signs. This standard applies to temporary traffic signs for highways at all levels in my country. Other temporary road congestion signs can be used as a reference.
JT/T 429-2000 history
2000JT/T 429-2000 Specification for road temporary traffic signs
JT/T 429-2000 Specification for road temporary traffic signs was changed to GB/T 28651-2012 Road temporary traffic signs.