Metroplan is involved in a variety of efforts to safeguard and improve the air quality
of the region. Automobile emissions contribute to pollution from four of the six
major sources (ozone, particulate matter, carbon monoxide, and nitrogen oxides), particularly harmful ground level ozone. Since 1997, Metroplan has partnered with
the Arkansas Department of Environmental Quality, Arkansas Department of Health,
and Arkansas Highway and Transportation Department to administer the Ozone
Action Days program. Ozone Action Days is a cooperative effort to raise awareness
in Central Arkansas about the health effects and means of reducing ground level ozone.
Of a more technical nature, the Congestion Management System and Intelligent Transportation Systems are utilized to increase the efficiency of surface transportation,
and thereby reduce emissions, in central Arkansas.