The RoadNode feature is attributed with a “classification” property with the data type of RoadNodeClassificationValue. The following table describes the codes used to populate this field.
It is possible for a RoadNode to have more than one RoadNodeClassificationValue, in these rare instances, the highest value in the table below is applied.
Additional classification of the road node.
For example, if a node represents a roundabout it may also be classified as a mini roundabout.
Code
Description
Grade Separation
A RoadNode which represents where there is a difference in physical level of either two RoadLinks, or a RoadLink and a PathLink, and in the real world they do not meet and split here.
Mini Roundabout
A road junction where the effects of a roundabout on traffic flow are recreated by use of a delineated circular area of road markings or surface changes.
Motorway Junction
A named intersection where a vehicle gains access or exits the motorway.