Connected Vehicle Roadside Equipment to Vehicle OBE: reduced speed notification

Reduced speed zone information provided to passing vehicles. This flow provides the reduced speed limit, the location and extent of the reduced speed zone, and associated warning information.

JP: F-V Short Range Wireless Data(JP) - F-V Short Range Wireless Downlink Comm (JP)
US: SAE Traveler Info - Local Broadcast Wireless (US)

EU: Contextual Speed Information Service - Local Broadcast Wireless (AU/EU)
EU: In-Vehicle Information - Local Broadcast Wireless (AU/EU)
EU: DEN Service - Local Broadcast Wireless (AU/EU)

This solution is used within the E.U., and Australia. It combines standards associated with EU: Contextual Speed Information Service with those for V-X: Local Broadcast Wireless (AU/EU). The EU: Contextual Speed Information Service standards include upper-layer standards that support for providing speed information to a vehicle from roadside infrastructure. The V-X: Local Broadcast Wireless (AU/EU) standards include lower-layer standards that support local-area broadcast wireless solutions, such as DSRC technologies, 5G LTE, etc.

Triple Solution Gap

ITS Info

CEN ISO 19321
CEN ISO 17426

Click gap icons for more info.

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Mgmt

Bundle: Local Broadcast Wireless Management

Facility

CEN ISO 14823

Security

Bundle: ETSI ITS-S Security Architecture

TransNet

Bundle: Local Broadcast Wireless TransNet

SubNet

Bundle: Local Broadcast Wireless SubNet (AU/EU)