 
                                    
                            Compulsory maximum speed limit
							                                
                                        
                                    
							                        
                    
                            Advised separation distance
							                                
                                        
                                    
							                        
                    
                            Advisory maximum speed limit
							                                
                                        
                                    
							                        
                    
                            Compulsory minimum speed limit
							                                
                                        
                                    
							                        
                     
	 
	