Bank holiday revellers have been warned of travel chaos with up to 16 million cars expected to hit the roads on 'frantic Friday' and rail strikes also set to add to disruption. The weather is set to change just in time for the weekend with highs of 20C - which will add to the congestion as millions make a dash to seaside towns and fairs. Friday is set for a tea-time meltdown as the holidaymakers' rush clashes with office workers trying to get home and the after-school traffic. ...