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Better Air Quality (BAQ) 2008
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The Impact of Car Free Day on Traffic, Air Quality and the Community
The impact of implementing Car Free Day in Jakarta. By Harya Setyaka and Tory Damantoro, Urban and Regional Development Institute

People enjoy cycling freely

The Jakarta Bylaw No. 2/ 2005 on Air Pollution Control gives provincial government mandate to conduct Car Free Day (CFD) at least once a month in specific areas in Jakarta. The three main activities of CFD are road closure, air quality monitoring and clean air campaign. CFD was officially launched by the provincial government of Jakarta on September 2007. The launch was accompanied by determining Sudirman-Tharmin and Kota Tua Jakarta as the routine location for CFD every month. In 2008, the provincial government of Jakarta expanded the location of CFD to five areas hence CFD was successfully conducted 22 times in Jakarta during 2008. In 2009, the provincial government of Jakarta is planning to include another 6 locations, thus, increasing the number of CFD implementation to 24 times a year. To evaluate the impact of CFD on traffic, air quality, and the community, recently the Urban Regional Development Institute (URDI) in collaboration with the Jakarta Environmental Management Board (BPLHD) conducted a study funded by CIDA.

Playing football during Car Free Day

The study have shown that CFD receives positive responses from the community as they make use of CFD location as a place to conduct various activities, such as sporting activities, family gatherings and other activities that could not be carried out due to limitations of public parks. However, traffic jams occurred on alternative roads around the CFD location. The concentration of PM10 and NOx decreases in CFD locations however pollution increases in areas where traffic jam occurs. Based on the study results, it is recommended that: 1) road closure during CFD should be accompanied with better traffic management to avoid the accumulation of vehicles on alternative roads, 2) air quality monitoring conducted by BPLHD needs to be equipped with the necessary dispersion model to evaluate the impact of CFD on air quality in surrounding areas, and 3) the implementation of CFD should be continuously developed with clear mechanisms and guidelines that can be used as a reference for those who want to be engaged in CFD.

Acknowledgement: The authors would like to thank CIDA-AIT SEA UEMA Project for making this research possible. This article is written in the loving memory of Dr. Nowarat C of CIDA-AIT.

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