Mumbai - Traffic jam and Mumbaikars go hand in hand. Today the degree of traffic jam has intensified on the western express highway. There is a huge traffic jam from National Park, Borivali towards Dahisar Check Naka. Commuters taking this route have told that it is taking around one hour to travel from National Park to Rawalpada. It will take one more hour from there to reach Tollnaka. As per Commuters, Toll Naka is the cause of huge traffic congestion.