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Land Use

Regional land use distribution is typically recognized as one of the underlying factors driving the demand for transportation and other infrastructures and facilities. Pima Association of Governments has been actively working with its member jurisdictions to compile land use information and forecast the future land use and development to support various important planning efforts in Pima County, such as the recently completed 2040 Regional Transportation Plan.

Specifically, PAG uses the latest decennial or special census information, employment data from commercial sources, and general land use plans and visions developed by jurisdictions  to produce the projections of population, housing units and employment at both region and TAZ (Traffic Analysis Zone) level. PAG’s travel demand and air quality models use these projections to forecast traffic and vehicle emissions, which subsequently are used to inform a wide variety of other regional planning programs.


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