As you approach an exit slip road
							                                
                                        
                                    
							                        
                    
                            As you approach a service area
							                                
                                        
                                    
							                        
                    
                            When there's slow queuing traffic
							                                
                                        
                                    
							                        
                    
                            When you overtake a large vehicle
							                                
                                        
                                    
							                        
                     
	 
	