Signal Information Integration System
Provides intersection signal information to autonomous driving infrastructure and navigation services in real time.
Built on standard specifications, it integrates without separate conversion.
Solution
An intelligent traffic information service that delivers real-time intersection signal status and remaining time to navigation services and vehicles for safe, efficient driving
A traffic signal information system that collects signal status, remaining time and direction of travel from traffic signal controllers in real time, standardizes the data and shares it with urban Traffic Information Centers and private-sector services. Drivers can check the signal status and remaining time at the intersection ahead through navigation and other services, reducing harsh acceleration, harsh braking and signal violations for safer, more efficient driving.
- Collects and provides signal status and remaining time from traffic signal controllers in real time
- Integrates with navigation, vehicles and autonomous driving systems to support safe driving and intersection passage
Features
Key Features
Real-time traffic signal data collection
Collects current signal status, remaining signal time and direction of travel from traffic signal controllers in real time to provide accurate intersection signal information
Remaining signal time
Provides drivers with the green/red status and remaining time at the intersection ahead, so they can anticipate signal changes and drive steadily
Private navigation service integration
Standardizes collected traffic signal information and shares it with private navigation services, so drivers can check signal information for the intersection ahead in real time while driving
Traffic signal data standardization
Standardizes signal status, remaining time and direction information so traffic signal data can be used regardless of region or system, supporting integration with a wide range of mobility services
Safe driving support
Helps drivers anticipate when signals will change, preventing unnecessary harsh acceleration, harsh braking and signal violations before entering intersections and encouraging safe driving
Future mobility integration
Links real-time traffic signal information with vehicles and autonomous driving systems, supporting a cooperative automated driving environment in which vehicles anticipate intersection signal status and drive safely
Process
Service process
- 01
Signal data generation
The traffic signal controller generates traffic signal information such as current signal status and remaining time
- 02
Real-time data collection
Collects signal status, remaining time and direction information for each intersection in real time
- 03
Standardization and integration
Standardizes collected data and shares it with urban Traffic Information Centers and external services
- 04
Private service delivery
Provides real-time traffic signal information to navigation and vehicle services
- 05
Driver information check
Drivers check the signal status and remaining time at the intersection ahead in advance and drive safely
Benefits
Expected benefits
Safer intersections
Advance notice of signal changes reduces harsh acceleration, harsh braking and risky intersection entry.
Fewer signal violations
Knowing the remaining signal time in advance helps drivers respond steadily to signal changes.
Steadier driving
Signal information for the road ahead lets drivers slow down early or adjust their driving, supporting smoother passage through intersections.
Cooperative automated driving support
Provides standardized traffic signal information to vehicles, supporting intersection decision-making and safe driving for autonomous and connected vehicles.
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