8- UTP-Process - Basics of Travel Demand Modeling Travel...

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Basics Basics of of Travel Demand Modeling Travel Demand Modeling
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Passenger Travel Demand Analysis Passenger Travel Demand Analysis Purpose: Prediction of traffic flow between zones Approaches: 1. Urban Transportation Planning (UTP) Process A Sequential Four-Step Process 1. Economic Theory Based Models Elasticity Models (econometric models, direct demand estimating models) Utility Maximizing (behavioral) Models
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Urban Transportation Planning Process Urban Transportation Planning Process Trip Generation Trip Distribution Mode Choice/Split Traffic Assignment Inventory Landuse, socio-economic forecasts Zoning, Coding Network Testing & Evaluation
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Zoning Process Zoning Process Traffic Analysis Zones (TAZs) Census tracts Block groups Blocks External Zones Centroids
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Example of Zonal System for Ithaca-Tompkins County Example of Zonal System for Ithaca-Tompkins County Area # of TAZs City of Ithaca 104 Town of Ithaca + Cayuga Height 81 Town of Caroline 9 Town of Danby 9 Town+Village of Dryden 43 Town of Enfield 11 Town +Village of Groton 20 Town +Village of Lansing 43 Town of Newfield 12 Town of Ulysses + Trumansburg 24 Village of Freeville 3 External Zones 17 TOTAL 381
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123 122 142 132 131 127 52 121 141 139 102 133 118 117 44 152 66 100 148 154 124 126 125 134 138 4 6 130 54 120 103 45 144 129 150 53 149 2 74 136 166 65 104 10 168 73 140 5 161 99 9 80 165 46 145 14 137 3 106 56 97 115 98 167 47 55 16 71 135 7 48 8 49 169 116 153 1 162 11 105 101 235 164 147 69 146 75 231 151 64 219 70 200 157 50 91 128 218 51 96 93 12 170 23 13 19 76 84 68 22 72 89 81 95 230 94 77 67 163 226 155 159 201 24 85 119 233 234 17 28 18 90 232 160 20 15 222 21 156 78 158 143 217 180 223 114 83 92 196 220 86 192 79 32 107 25 206 61 30 229 185 87 213 110 362 57 224 212 109 27 26 34 58 205 88 82 214 195 286 172 112 177 262 63 239 33 38 289 29 284 263 35 347 302 248 189 236 360 299 252 209 260 321 187 274 a a a a a a a a a a a a a a a a 365 366 367 381 377 376 375 374 373 372 371 369 378 380 379 368 a LEGEND a a Internal TAZ External TAZ Roads 125 370 370
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105 75 200 93 170 226 201 217 180 227 223 196 220 192 206 229 185 213 362 224
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