Separating driving lanes
							                                
                                        
                                    
							                        
                    
                            At slip-road entrances and exits
							                                
                                        
                                    
							                        
                    
                            Between the carriageway and the central reservation
							                                
                                        
                                    
							                        
                    
                            Between the hard shoulder and the carriageway
							                                
                                        
                                    
							                        
                     
	 
	