HERE Lanes Data Specification

Lane Group Attributes

The Protocol Buffer for the following Lane Group attributes is documented in the subsections below:

The logical data model of Lane Group attributes is documented in Lane Group Attributes Model

The LaneGroupParametricAttribution message (in the lane_attributes.proto schema) contains the attributes in this topic.


If this attribute is present on a Lane Group, then its positive integer value (starting from 1) represents the ID of a specific HERE compliance level for that lane group. These compliance levels are defined in Compliance Specification Levels.

Schema of "SpecificationComplianceAssertion"

Lane-Level Topology Segment Reference

This attribute references a topology segment associated with a given lane group.

Schema of "LaneGroupExternalReferences"