The article discusses the history of intelligent transport system (ITS) development in Japan, focusing on the following technologies: infrastructure sensors and driving assistance using vehicle-to-infrastructure (V2I); expressway and ordinary road case studies; and driving safety assistance using vehicle-to-vehicle (V2V) communication.

Chapter Contents:

• 1.1 History of intelligent transport system development in Japan
• 1.2 Infrastructure sensors and driving assistance using V2I
• 1.2.1 What is an infrastructure sensor?
• 1.2.2 Events detected by infrastructure sensors
• 1.2.2.1 Vehicle detection
• 1.2.2.2 Detection of pedestrians, bicycles and so on
• 1.2.2.3 Detection of traffic conditions
• 1.2.3 Type of sensors that can be used as infrastructure sensors
• 1.2.3.1 Vehicle detection
• 1.2.3.2 Detection of pedestrians, bicycles and so on
• 1.2.3.3 Detection of traffic conditions
• 1.2.4 Driving assistance using infrastructure sensors
• 1.2.4.1 Driving safety assistance using infrastructure sensors
• 1.2.4.2 Smooth traffic flow assistance using infrastructure sensors
• 1.3 Expressway case studies
• 1.3.1 Forward obstacle information provision (Sangubashi Curve, Metropolitan Expressway)
• 1.3.2 Forward obstacle information provision (Rinkai Fukutoshin Slip Road, Metropolitan Expressway)
• 1.3.3 Forward obstacle information provision (Akasaka Tunnel, Metropolitan Expressway)
• 1.3.4 Merging assistance (Tanimachi Junction, Higashi-Ikebukuro Slip Road and so on, Metropolitan Expressway)
• 1.3.5 Smooth traffic flow assistance at sags (Yamato Sag, Tomei Expressway)
• 1.4 Case studies on ordinary roads
• 1.4.1 Rear-end collision prevention system
• 1.4.2 Crossing collision prevention system
• 1.4.3 Left-turn collision prevention system
• 1.4.4 Right-turn collision prevention system
• 1.4.5 Crossing pedestrian recognition enhancement system
• 1.5 Driving safety assistance using vehicle-to-vehicle (V2V) communication
• References

Inspec keywords: road safety; vehicular ad hoc networks; intelligent transportation systems; road traffic; intelligent sensors

Other keywords: Japan; vehicle-to-vehicle communication; vehicle-to-infrastructure communication; infrastructure sensors; intelligent transport system development history; V2V communication; ITS; driving assistance; driving safety assistance; V2I communication

Subjects: Traffic engineering computing; Mobile radio systems; Road-traffic system control; Intelligent sensors; Intelligent sensors; Control engineering computing