Master Transportation Plan Task 4: Gap Analysis and Needs Network
2 Transportation Supportive Index 2.1 Approach Overview
The TSI was created as a tool to identify areas in the city for which new or infill development can be effectively served. Outputs from this analysis are used to identify priority areas for growth and transportation investment that would allow the City of Fort Worth to: • Minimize capital and ongoing maintenance costs by prioritizing the use of existing transportation assets and limiting the creation of redundant or nonessential new assets. • Reduce vehicle miles traveled (VMT) per capita, thereby mitigating increases in greenhouse gas emissions, traffic congestion, fatal and serious injury crashes, individual travel time, and transportation expenses. • Shorten trips by increasing convenient access to jobs, schools, recreation, shopping, and services. 2.2 Methodology The TSI is composed of specific indicators of the built and natural environment, along with characteristics of surrounding populations, to support city goals of both new and infill development. Its objective is to support the prioritization of network and service gaps by identifying advantageous areas, helping to select the most suitable locations for maximizing infrastructure investment efficiently. The final product is a dataset that displays supportiveness scores, grouped by the district’s potential to support targeted development and investment. To ensure consistency and clarity across all variables, the geographies for the TSI were standardized by consolidating NCTCOG Transportation Analysis Zone (TAZ) data within the 2010 Urbanized Area. This aggregation was guided by existing transportation barriers, such as interstates and water bodies, as well as areas with similar land use and area. By reducing over 5,000 individual TAZs to approximately 1,000 analysis districts, the process provided a standardized framework for evaluating all TSI variables. These analysis districts serve as the foundational boundaries for the TSI. The TSI identifies and quantifies areas by data inputs such as (but not limited to) population and employment density, connectivity, trip density, existing transit ridership, and land use. The individual geospatial outputs and layers outlined in the six TSI inputs below can be found in Appendix 2 . Data Inputs • Population and Employment Density : Residential and employment population density play a key role in the development of a city and directly impact the area’s most supportive of transportation improvements. Some of the most common indicators of a successful transportation network are the number of residents and employment opportunities in each area. Residential population and employment were quantified as a density for an analysis district, based on projections from the NCTCOG TAZs, and downloaded from NCTCOG’s Open Data Site.
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