Trying to predict traffic jams in Singapore
30 October 2013 Last updated at 08:45 GMT
Researchers at Singapore's Nanyang Technological University (NTU) have been working on ways to improve rush hour traffic flows in Singapore.
They are trying a system of tracking vehicle movements through GPS and combining the data with fluid dynamics to predict congestion ahead.
But how accurate can these predictions be? Spencer Kelly and LJ Rich find out more.