Philadelphia's 'Gridlock' - Too Much Of A Good Thing?

There appears to be no single cause as congestion in Center City may be characterized by double-parked delivery trucks, abuse of loading zones, buses, taxis, pedestrians, street work, inefficient traffic patterns and a lack of parking regulation enforcement. Through countless and unpredictable delays caused by any number of issues or incidents, congestion results in costly economic effects through a loss of efficiency and increased operating costs, negative health effects through increased stress and emissions from constantly idling, accelerating and braking vehicles and an overall detrimental impact on the urban fabric of the historic streets and squares. As the article suggests, increased enforcement of exiting parking and loading regulations is an integral element of congestion management.