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OCR for page 49
38 I N N O VAT I O N S I N T R AV E L D E M A N D M O D E L I N G , V O L U M E 2 FIGURE 1 Districts used for analysis. closely, within 1% regionally. Work trips from within District-to-district tours for all purposes were com- the corridor to the CBD were underrepresented by 5%. pared with the CTPP and household travel survey. The Regionally, the model was overrepresenting trips to OSU CTPP results were scaled as before, but the survey by just 3%. There were specific travel markets that were records were not scaled. The modeled work tour distri- weak, including a 27% underestimation of tours from bution is shown in Table 4. The observed journey distri- the corridor to OSU. Work tour productions and attrac- bution is shown in Table 5. Table 6 displays the ratio of tions were well estimated by the model. Almost all mar- the modeled to the observed distribution. kets were represented within 10% of the CTPP totals. TABLE 1 2000 Modeled Work Tours District 1 2 3 4 5 6 1 - CBD 277 154 47 34 53 7 2 - OSU 3,646 3,586 1,270 1,077 1,138 200 3 - Clintonville 3,706 2,565 1,612 1,447 1,686 233 4 - Worthington 4,085 1,903 1,434 2,557 3,575 536 5 - Crosswoods 3,197 1,534 1,228 2,086 5,144 1,094 6 - Polaris 625 294 216 382 1,235 464 Corridor Total 15,536 10,036 5,807 7,583 12,831 2,534 7 - Delaware 2,820 1,241 831 1,565 4,431 1,851 8 - NW 15,631 8,178 4,407 3,957 7,360 1,467 9 - NE 11,676 5,134 2,846 4,207 6,472 1,148 10 - SE 17,249 6,414 1,972 1,981 2,496 391 11 - SW 7,265 4,542 1,182 1,025 1,230 234 12 - Licking 2,645 811 407 721 1,094 253 13 - Other 4,877 1,570 516 585 1,173 263 Noncorridor Total 62,163 27,890 12,260 14,041 24,256 5,607 Regional Total 77,699 37,926 18,067 21,624 37,087 8,141