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EXECUTIVE SUMMARY (Continued) To mitigate the cumulative 2025 impacts of Haul Route 3, a northbound right-turn lane would be required. As an alternative to mitigating cumulative year 2025 conditions, the Project may be conditioned to eliminate Haul Route 3 after the pending construction of the Bird Road / SR 132 interchange,at which time only Haul Route 1 would be allowable. Intersection of SR 33 and Vernalis Road(Connector to SR 132) The intersection is currently operating at a level of service D, which is typically considered unacceptable to Caltrans. The intersection is expected to continue to operate at a level of service D based on near-term-without-Project conditions. Haul Route I is not expected to create new traffic at the intersection and therefore is not considered to impact the intersection. However,Haul Route 3 is expected to result in an opening-day significant impact that would require mitigation. A review of peak-hour traffic signal warrants suggests that traffic signals are not warranted at the intersection based on existing and near-term-with-Project conditions. The intersection is expected to operate at a level of service F in the year 2025 even without the _ proposed Project. Haul Route 1 is not expected to create additional significant impacts in the year 2025. However,Haul Route 3 would contribute to the cumulative year 2025 impacts. To mitigate the impacts created by Haul Route 3 on opening day, all-way stop control would be required. However, all-way stop control should not be installed unless warrants are satisfied after the Project begins operating. Since Haul Route 3 is expected to be an alternate route, it is unlikely that warrants for all-way stop control will be met on a long-term basis. Therefore, this impact may be considered adverse but not significant. To mitigate the cumulative impacts with Haul Route 3 in the year 2025, all-way stop control with construction of a westbound left-turn lane is expected to be required. As an alternative to mitigating cumulative year 2025 conditions, the Project may be conditioned to eliminate Haul Route 3 after the pending construction of the Bird Road /SR 132 interchange, at which time only Haul Route 1 would be allowable. Intersection of Bird Road and SR 132 The intersection is currently operating at unacceptable levels of service. Construction of the pending interchange appears to be warranted and is expected to mitigate the operation of the intersection to acceptable levels of service through the year 2025. The Project may be required to contribute an equitable share of the cost of the interchange or pay established development fees. Intersection of Koster Road and SR 132 The intersection is currently operating at unacceptable levels of service. Neither of the proposed — haul routes will utilize Koster Road at this intersection. Therefore, the Project will not create new turning movements and will only result in new through movements on SR 132. Project-specific significant impacts are not identified at the intersection. —