EXHIBIT 4-1_55A_BRISTOL WIDENING EIS-EIR

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A commitment of resources associated with construction activities, including concrete, steel, asphalt, base material, and additional energy in the form of gas and electricity would be used during construction. AA. UNAVOMABLE SIGNMCANTANSIGNTECANT ADVERSE IMPACTS Impacts of the preferred alternative on the natural, physical, and social environment have been discussed in the preceding sections. Mitigation measures to reduce these adverse impacts have been identified, however, not all adverse impacts can be reduced to an insignificant level. The remaining insignificant and significant adverse impacts are summarized below: InsigWficant Ir 1 gated fl ■ fl 111- Temporary construction detours would cause 'added congestion to Bristol and local streets adjacent to the detour. Businesses within the detour area would experience a drop in business activity affecting, to various degrees, the sales tax revenue. A considerable amount of inconvenience to the travelling public would occur in the immediate vicinity of the project. Air quality surrounding the high activity areas during construction would suffer a temporary degradation. Noise and vibrations would also be an unavoidable adverse impact in the same areas. Temporary disruption of utility services may occur during construction. Although these impacts cannot be fully mitigated, with the measures cited in Section IV.V, the impacts would be mitigated to insignificant levels, particularly given the temporary nature of construction- related impacts. 2. Air Quality Although the preferred alternative, on an overall basis, will have a beneficial impact on air quality by increasing speeds and reducing delays, the increased speeds will result in greater emissions of nitrogen dioxide (NOx). The increase in N4x over the No- Project alternative, however, is an insignificant one percent (525 pounds per day as opposed to 52-0 pounds per day). fV -89