Gets the value of the roadMark property.
This accessor method returns a reference to the live list, not a snapshot. Therefore any modification you make to the returned list will be present inside the Jakarta XML Binding object. This is why there is not a
set method for the roadMark property.
For example, to add a new item, do as follows:
Objects of the following type(s) are allowed in the list CenterLane.RoadMark
Thevalue of the roadMark property.