Regional transportation planning is vital in developing regional solutions to reduce traffic congestion and improve air quality. Reducing congestion mean fewer cars on the road and shorter trip times, which will help improve air quality. Ozone, the key component in urban smog, is the most widespread air quality problem in North Carolina. In 1999, ozone levels exceeded the standard in North Carolina on 68 days, fifth highest among the 50 states. Cars, trucks and other mobile sources account for about half of the ozone-forming emissions statewide and up to 90 percent in major metropolitan areas.
Motor vehicles account for about half of the ozone-forming emissions in North Carolina.
The grants will be used by municipalities to improve drinking water and wastewater treatment systems.