GB/T 4478-1995
Replaced
JT/T 1431.4-2022
Active
Industry standards-Traffic
JT/T 1431.4-2022 Highway Electromechanical Facilities Energy Efficiency Rating and Evaluation Methodology - Part 4: Highway LED Variable Message Signs
JT/T 1431.4-2022 Highway Electromechanical Facilities Energy Efficiency Rating and Evaluation Methodology - Part 4: Highway LED Variable Message Signs
Basic Information
Standard Code:
JT/T 1431.4-2022
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
\nTraffic control system
ICS Name:
Road equipment and devices
Publish Date:
2022-06-09
Implement Date:
2022-09-09
Scope
This section applies to the energy efficiency grade evaluation of highway LED variable information signs. Highway LED variable speed limit signs, as well as LED variable information signs used in cities, ports, railways, and docks, can be referenced for use.
Development Information
Same series standard
JT/T 1431.1-2022 Road Electrical Equipment for Transportation - Energy Efficiency Classification and Evaluation Method - Part 1: LED Lane Control Signs
JT/T 1431.2-2022 Road Electrical Equipment for Transportation - Energy Efficiency Ratings and Evaluation Method - Part 2: Road Tunnel Ventilators
JT/T 1431.3-2022 Road Electrical Equipment for Highway Maintenance and Operations - Energy Efficiency Classification and Evaluation Method - Part 3: Lighting System for Highway Tunnels
JT/T 1431.5-2022 Road Electrical Equipment Energy Efficiency Classification and Evaluation Method, Part 5: Road LED Lighting Fixtures for Highways
Related Standards
GB/T 8511.1-1995
Replaced
GB/T 8511.1-1995 Self-propelled vibratory rollers
GB/T 8511.2-1995
Replaced
GB/T 8511.2-1995 Towed vibratory rollers
GB/T 8511.3-1995
Replaced
GB/T 8511.3-1995 Walk behind vibratory rollers
GB/T 16277-1996
Replaced
GB/T 16277-1996 Asphalt paver
GB/T 16278-1996
Replaced