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Prior revisions of answers

Proposal 218 Jun 2025 

Short Summary Answer

OpenLR is a map-agnostic, open-source location referencing method optimized for cross-platform data exchange. Its compact format and royalty-free licensing make it especially attractive for use cases involving real-time traffic information and embedded systems. OpenLR provides a robust and cost-effective solution for many ITS and mobility scenarios.

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• text + visual examples with 2 maps

Stakeholder Relevance / Rationale

• Public Authorities: Ensures interoperability of (open) data on National Access Points towards data consumers and platforms in traffic management and navigation services; cost-effective and aligns with open standards.

• Content Providers: Facilitates scalable data aggregation across different maps; encoding efficiency supports dynamic updates.

• Service Providers: Enables consistent service delivery in bandwidth-constrained or multi-map environments; standards with royalty-free licensing avoids vendor lock-in.

• OEMs: Well-suited for in-vehicle usedue to its compact format; supports navigation services and also dynamic updates for ADAS and connected services.

Detailed Explanation

Types / Versions / Formats 

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• Encoding/Decoding Logic: Requires correct implementation on both sender and receiver sides.

• Resilience to Map Changes: Uses road topology rather than fixed coordinates, reducing errors when maps differ.

• Open Tools: Available libraries and encoders/decoders simplify integration.

Decision Guide

Implementation Notes

• Use official encoders/decoders to ensure format compliance.

• Ensure team familiarity with the topology-based referencing model.

• For more complex POIs or areas, use ISO TPEG2-OLR, or evaluate extensions or hybrid approaches (e.g., OpenLR+).

References & Tools

• ISO 21219-22 – TPEG2-OLR Standard

• TISA Github 

• OpenLR Specification

• Dynamic Location Referencing (INRIX)

• OpenLR GitHub Tools and Libraries

Comments

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Proposal 101 May 2025 

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