DB31/T 883-2015 Age-friendly city construction guideline

GB 2894-1996 Safety signs GB 2894-2008 Safety signs and guideline for the use GB 5768-1999 Road traffic signs and markings GB 5768-1999-XG2-2005 Road traffic signs and markings Amendment 2 GB 5768.1-2009 Road traffic signs and markings—Part 1:General GB 5768.1-2025 Traffic signs and markings—Part 1:General GB 5768.2-2009 Road traffic signs and markings—Part 2:Road traffic signs GB 5768.2-2022 Road traffic signs and markings—Part 2:Road traffic signs GB 5768.3-2009 Road traffic signs and markings—Part 3:Road traffic markings GB 5768.4-2017 Road traffic signs and markings—Part 4:Work zone GB 5768.5-2017 Road traffic signs and markings—Part 5:Speed limit GB 5768.6-2017 Road traffic signs and markings—Part 6:Highway-railway grade crossing GB 5768.7-2018 Road traffic signs and markings—Part 7:Non-motor vehicles and pedestrians GB 5768.8-2018 Road traffic signs and markings—Part 8:School zone GB/T 20647.2-2006 Guidelines for community service—Part 2:Environment management GB/T 20647.4-2006 Guideline for community service—Part 4:Healthcare service GB/T 20647.7-2006 Guideline for community service—Part 7:Community aid GB 50340-2016 Code for design of residential building for the aged DB31/T 685 DGJ 08-55 DGJ 08-96 DG/TJ 08-2027 GB 2894-2025 Safety colours and safety signs GB 5768.9-2025 Road traffic signs and markings—Part 9:Traffic accident management area GB 50763-2012 Codes for accessibility design GB 5768.3-2025 Traffic signs and markings—Part 3:Traffic markings