Model Applications

Road & Intersection Design


The projected traffic volumes from the model are used to determine design features (e.g. number of lanes) for road and intersection projects.

Grant Applications


This model is used to provide traffic volumes and other travel statistics for grant applications for federal and state funding programs.

Transportation Concurrency


Existing and six-year arterial forecasts from the model are incorporated into the Transportation Concurrency Annual Report.

Traffic Impact Fee (TIF) Program


A substantial modeling effort was a key component in the development of the Traffic Impact Fee (TIF) Program. Any updates to the TIF program will likely require additional modeling efforts.

Community Plans


Additional future modeling may be needed to support any new or updated community plans, which are components of the Pierce County Comprehensive Plan.

Environmental Studies


Traffic modeling is sometimes required as part of the environmental studies for both public and private projects in order to comply with the State Environmental Policy Act (SEPA) requirements.

2011 Comprehensive Plan Update


A year 2030 land use and travel demand forecast is anticipated as part of this state-mandated update.

Corridor Studies


Future traffic volumes from the model are used for identifying and choosing alignment alternatives for corridor studies.

Traffic Impact Analysis (TIA) Requirements


Traffic modeling is sometimes necessary for the Traffic Impact Analysis required for major development proposals.

Interagency Coordination


Cities and other agencies routinely request modeling assistance and other data, through interagency coordination, for use in their transportation studies.
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