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1. HYbrid ROADway Model [HYROAD-Model]
(Summary adapted from EPA.) The HYbrid ROADway Model (HYROAD) integrates three historically individual modules that simulate the effects of traffic, emissions and dispersion. The traffic module ...

2. OZIPR Model [OZIPR-Model]
(Summary adapted from EPA.) OZIPR is based on EPA's Ozone Isopleth Plotting Program (OZIPP) Model, but contains improved and expanded capabilities that make the model useful for research purposes. ...

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