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TRENDS IN AIR QUALITY
STATE INTEREST AND ROLE IN AIR QUALITY
THE COSTS OF AIR POLLUTION
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achieved aeas agencies air pollution air quality improvement Air Resources Board alternative analysis Angeles approach assumed auto bicycle buses busway California Caltrans car pools CARB carbon monoxide catalytic converter Coast Air Basin congestion considered corridor cost benefit damage disincentives diversion downtown effect emission control devices emission reduction environmental estimates eview existing factors freeway future HDVs highway hydrocarbons impact implementation improve air quality increased ineease Issue Paper Lake Tahoe land ment mile million mobile source motor vehicle natural areas natural environment oxidant park and ride peak period percent pollution costs potential preferential lanes present problem proposed reducing emissions retrofit Sacramento San Bernardino Freeway San Diego SCAB Shirley Highway significant South Coast Air standards transit ridership transit service transportation control tactics Transportation Plan urban various vehicle emission