****/
WalkFromStopVertex walkFromStopVertex = new WalkFromStopVertex(context,
stop);
if (linker.determineOutgoingEdgesForVertex(walkFromStopVertex, true)) {
GraphVertex gv = graph.getGraphVertex(walkFromStopVertex.getLabel());
WaitingEndsAtStopEdge edge = new WaitingEndsAtStopEdge(context, stop,
true);
edge.setToVertex(walkFromStopVertex);
gv.addIncoming(edge);