Orange County NC Website
<br />TABLE OF CONTENTS <br />OVERVIEW ....................»..........................................................................................................».....................1 <br />EXECUTIVE SIJMMARY.........» ...............................».......................................................»».....................».. 3 <br />1. INTRODUCTION ...............................»........................................................................................»...........» 8 <br />2. AIIt QUALITY PLANNING » .............................................................»................................»................... 12 <br />2.1 EMISSIONS BUDGETS AND BASELINE EMISSIONS ................................................................... 12 <br />3. LONGRANGE TRANSPORTATION PLANS ....................................................................................... 13 <br />3.1 CONSULTA'I'ION ........................................................................................................................ 13 <br />3.2 FYNANCIAL CONSTRAINT ASSUMPI'IONS .................................................................................. 14 <br />3.3 LATEST PLANNING AS$UMPTIONS ...........................:.............................................................. 14 <br />3.4 FbTURE YEAR ROADWAY PROJECTS ......................................................................................... 15 <br />3.5 TRANSIT NETWORKS .........:..........................:............................................................................ 17 <br />3.6 CONGESTION MITIGATION/AIR QUALITY (CMAQ) PROJECTS ................................................ 17 <br />3.7 TRIP GENERATION .................................................................................................................... 17 <br />3.8 TRIP DISTRIBUTION .................................................................................................................. 18 <br />3.9 MODE CHOICE AND TRANSIT ASSIGNMENT .............................................................................. 18 <br />3.10 HIGHWAY ASSIGNMENT AND VEHICLE MILES TRAVELED ...................................................... 18 <br />3.11 METHOD OF REPORTING VMT AND SPEED ............................................................................. 17 <br />4. REGIONAL EMISSION TESTS ............................................................................................................... 19 <br />4.0.1. Sub-area emission budgets ............................................................................................................. 19 <br />4.0.2 Emissions analysis source ............................................................................................................... 20 <br />4.0.3 Emissions comparison years (ozone) ............................................................................................... 20 <br />4.0.4 Emission comparison years (CO) .................................................................................................... 21 <br />4.1 EMISSIONS MODEL ................................................................................................................... 22 <br />4.1.1 Development of Emissions Factors .................................................................................................. 22 <br />4.1.2 Development of VMT Mix by Vehicle Type ...................................................................................... 22 <br />4.1.3 Vehicle Age Distributions ................................................................................................................ 23 <br />4.2 TRANSPORTATION CONTROL MEASURES ................................................................................ 23 <br />4.3 ESTIMATION OF VEHICLE STARTS ............................................................................................ 23 <br />4.4 OFF-MODEL ANALYSIS ............................................................................................................. 23 <br />4.5 EMISSIONS COMPARISON TESTS BY LOCATION AND POLLUTANT ........................................... 24 <br />5. PUBLIC INVOLVEMENT AND INTERAGENCY CONSULTATION ..............................................Z8 <br />6. CONCLUSION.......» ................................................................................................................................... 28 <br />lll <br />