https://se.mathworks.com/help/driving/ref/drivingscenario.getroadrunnerhdmap.html
getRoadRunnerHDMap - Get RoadRunner HD Map from Driving Scenario in MATLAB - MATLAB
This MATLAB function returns a RoadRunner HD Map object, rrMap for the road network and static actors in the driving scenario, scenario.
hd mapgetroadrunnerdrivingscenario