Variable message signs
							                                
                                        
                                    
							                        
                    
                            Other drivers flashing their lights
							                                
                                        
                                    
							                        
                    
                            Hazard warning lines
							                                
                                        
                                    
							                        
                    
                            Areas with hatch markings
							                                
                                        
                                    
							                        
                     
	 
	