nymtc regional freight plan - New York Metropolitan Transportation ...

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A Freight Plan for the NYMTC Region • 6.2 System User and Societal Benefits The transportation benefits of the various packages were calculated using procedures from the Surface Transportation Efficiency Analysis Model (STEAM). STEAM quantifies the annual current dollar value of changes (in the year 2025) in the following four categories of user benefits applied to all users (all vehicles) traveling on the regional roadway system: • In-vehicle travel time; • Fuel cost; • Other vehicle operating costs; and • Accidents (cost to users). STEAM quantifies three types of societal benefits: • Vehicle Emissions (CO, HC, NO x , PM 10 ); • Noise; and • Accidents (cost to society). For each package, a benefit comparison is made to the 2025 Baseline condition. The findings are shown in Table 6.6, disaggregated by the two basic benefit categories (user and society) and by the NYMTC region and the remainder of the highway model coverage area. As shown, the Policy package produces $48 million in annual benefits; the Rail package produces $75 million in benefits; and the Highway package produces $166 million in benefits. This analysis takes the VMT/VHT discussion to its logical conclusion by analyzing the differences in impacts on all highway users and vehicles. While the VMT and VHT numbers are too large to highlight meaningful distinctions among the alternatives, STEAM magnifies these distinctions. This again highlights the fact that the benefits of the Rail package are concentrated on freight traffic while the benefits of the Highway package impact all traffic to a greater extent. The benefits of all of the alternative packages are largely user benefits rather than societal benefits, although this is somewhat less so for the Policy package. The benefits of the Policy package are split relatively evenly between the NYMTC region and the rest of the larger region (primarily northern New Jersey). The benefits of the Highway package accrue largely to the NYMTC region, by a factor of more than two to one, primarily because that is where all of the projects are located. The benefits of the Rail package accrue more to the rest of the region (by a factor of almost four to one) than to the NYMTC region. This is the case for two reasons: a) most of the commodity truck trips diverted to rail by the Cross Harbor project have to pass through New Jersey to reach the NYMTC region; and b) benefits to the NYMTC region are diluted somewhat by the local final delivery truck trips generated in the vicinity of the intermodal yard in Maspeth, Queens. Cambridge Systematics, Inc. 6-9
A Freight Plan for the NYMTC Region Table 6.6 STEAM Benefit Comparison between Improvement Packages and Baseline Condition (In Millions of 2002 Dollars) Policy and Operations Package Highway Systems Package Rail Systems Package NYMTC Region User Benefit $25 $110 $15 Societal Benefit $1 $6 $0.7 Total Benefit $26 $116 $16 Rest of BPM Model Coverage User Benefit $11 $39 $53 Societal Benefit $11 $11 $6 Total Benefit $21 $50 $59 Total User Benefit $36 $149 $68 Societal Benefit $12 $17 $7 Total Benefit $48 $166 $75 • 6.3 Environmental Impacts Table 6.7 contains a summary of the environmental impact analysis for the various freight movement improvement alternatives. Improvements are first classified as having an adverse or beneficial impact. Three levels of environmental impact are then used to define the magnitude of the impact: no impact, moderate or site-specific impact, and significant impact. Due to the size of the study areas and the absence of final engineering designs in most cases, the environmental analysis is qualitative in nature. Generally, policy alternatives have little or no impact on the environment. Road widening projects and new construction generally result in the greatest environmental impacts. Projects with impacts to environmental justice communities have been noted in the “demographics” column of the table. Highlights of the analysis for each improvement package are presented below. Cambridge Systematics, Inc. 6-10
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