Integrated Transportation and Land Use Models (2018) / Chapter Skim
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Pages 26-34
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26 Chapters 4, 5, and 6 discuss three different types of land use models that have significantly different model structures, data requirements, and analytical capabilities. Sketch planning models (described in this chapter)
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Sketch Planning Land Use Models 27 4.2 Interviews Two agencies were interviewed regarding use of sketch planning models. The Sacramento Area Council of Governments (SACOG)
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28 Integrated Transportation and Land Use Models SACOG's I-PLACE3S model was used extensively in about 40 public workshops during the Blueprint Planning Project to discuss how growth could be managed. During these public meetings, I-PLACE3S was linked to a simplified transport model that could be run in 45 min.
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Sketch Planning Land Use Models 29 development status [developed, undeveloped, under-developed, redevelopable, or committed] was identified.
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30 Integrated Transportation and Land Use Models 4.5 Land Use/Transport Model Integration It is rare for sketch planning models to be tightly integrated with transport models. Although there is no technical reason for this manual coupling, the main purpose of sketch planning models often is large-scale visioning.
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Sketch Planning Land Use Models 31 severe congestion. For sketch planning models, however, it seems acceptable and appropriate to simplify this feedback.
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32 Integrated Transportation and Land Use Models Figure 4-1. Land suitability analysis with CommunityViz for TJCOG (Source: Triangle J Council of Governments)
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Sketch Planning Land Use Models 33 For the 2045 Plan update, TJCOG and its MPO partners have started with two realistic scenarios: one is based on the current community plans, and one is termed "AIM High." The latter is based on selected commitments to more compact, mixed-use development along transit corridors by both local communities and the region's large anchor institutions, such as large research universities and the Research Triangle Park. The final preferred scenario might combine elements of both or could depart from the initial scenarios based on public engagement.
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34 Integrated Transportation and Land Use Models According to SACOG staff, it was a good choice to have the model development done by a consultant. Later it was important, however, to transfer the model to further in-house development, with limited support from the consultant for particular improvements.
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