HERE Map Content Developer's Guide

Road​Usage​Attribute

Message Summary

message RoadUsageAttribute

Anchor type: Single segment. Possible SegmentAnchor Direction(s): Both. Road usage characteristics.

Include: navigation_attributes.proto

Properties

Field Type Label Description
segment​_​anchor​_​index uint32 repeated

Indices of all segment anchors to which this attribute applies. 0-based index references to segment_anchor in RoadAttributePartition. Never empty.

carpool​_​road bool  

Identifies a road where at some point all lanes serve as carpool lanes, where HOV vehicles only are allowed to travel.

controlled​_​access bool  

Controlled access roads are roads with limited entrances and exits that allow uninterrupted high-speed traffic flow.

express​_​lane bool  

An Express Lane is a lane or set of lanes usually physically separated from the major roadway with limited entry and exit points to quickly move traffic in and out of a major metropolitan city.

limited​_​access bool  

Indicates separately digitised, high speed roads where traffic is controlled via ramps.

priority​_​road bool  

Indicates road stretches that have signs indicating priority on the road.

ramp bool  

Range is a ramp: connects roads that do not intersect at grade.

reversible bool  

A reversible lane is a road which can be physically separated from the motorway that changes direction for a specific time frame.

tollway bool  

Identifies a road for which a fee must be paid to use the road.

diminished​_​priority bool  

Indication that Pedestrians and Bikes have priority on a road that vehicles may also use at a reduced speed.

public​_​access bool  

Indicates if the segment is accessible to general public.

four​_​wheel​_​drive BoolValue  

Identifies roads that are only suitable for vehicles with four-wheel drive.