1.   A sprawling city with a limited bus system proposes light rail transit as a solution to growing congestion.

2.   Darling has the task of tackling growing congestion on traffic-choked roads amid calls for remedies like highway tolls and charges for driving in city centers.

3.   Federal Highway Administrator Rodney Slater about the problem of growing congestion in the Interstate Highway System.

4.   Los Angeles remains the most gridlocked, followed by Washington D.C. Fastest growing congestion rates are in Salt Lake City, Cincinnati and Columbus, Ohio.

5.   A research group funded by the construction industry warned that growing congestion could hurt the economy.

6.   The paper blamed the delays on growing congestion at airports and fuel-saving measures being taken by airlines.