https://fr.mathworks.com/help/driving/ref/roadrunner.hdmap.relativeassetpath.html
roadrunner.hdmap.RelativeAssetPath - Defines relative path for lane marking asset in RoadRunner HD...
A roadrunner.hdmap.RelativeAssetPath object enables you to define the road lane marking object in a RoadRunner HD Map scene model.
relative path
https://hdmap-viewer.starllow.com/
HDMap Viewer
viewer