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Draft Supplemental Environmental Impact Report Page IV.B-6 Forward Inc. Landfill 2018 Expansion Project Current Traffic Conditions ' Study intersection LOSS were evaluated for morning and afternoon peak-hours based on traffic counts collected for the intersections in May 2018. The calculated traffic LOS for current conditions indicate all study intersections near the project site operated mostly at LOS A and B, meaning traffic generally moves smoothly in the area with no major congestion or delays. It should be noted that some of the study intersections had received improvements in recent years;these improvements include the SR 99 ramps at East French Camp Road ramps signalization,the reconfiguration of at the SR 99 interchange at Mariposa Road,and the signalization at the California Healthcare facility driveway on Austin Road. Table IV.B-3 shows current study intersection LOS rankings and corresponding delays. Figure IV.13-2 shows current study intersection peak-hour traffic volumes. While traffic generally moves well in the area,with minimal delays,field observation indicated , that frequent traffic backups occur on Arch Road between SR 99 ramps and the Kingsley Road intersection. This condition also was noted by San Joaquin County Traffic Engineering staff. As observed,the traffic backup appears to be caused by a combination of factors: close spacing of the SR 99 ramps and the Kingsley Road intersection, the lack of storage space at the left-turn lane from eastbound Arch Road to northbound Kingsley Road,and the presence of many large trucks that take up most of the spacing between SR 99 and Kingsley Road. This is discussed in more detail in the vehicle queuing analysis section of the report. Existing Landfill Traffic The Forward Landfill's current Solid Waste Facilities Permit(SWFP)allows a maximum of 620 (truck)vehicles(1,240 vehicle trips)per day. The average traffic at the landfill over the past 5 years has been about 233 trucks per day.According to a 2017 gate count,the landfill experienced about 220 trucks per day(see Table IV.134,below). For the purposes of the traffic analysis,220 trucks per day was used as the baseline to assess the worst-case impact 620 trucks(220 vs 620-233). Impacts Traffic impacts are assessed by evaluating the effects of a proposed project on the adequacy of ' the transportation circulation system's capacity to accommodate projected traffic levels.This traffic study focuses on the operation of intersections most likely to be adversely affected by the proposed project. Cumulative impacts, which would be those resulting from the combined effects of existing conditions, approved projects, the proposed project, and other likely future projects, also are assessed. This section updates the impacts and mitigations considered in the 2013 FEIR, to account for changes in the proposed project. To facilitate review of the section and comparison of analyses ' between the 2013 EIR and this document, the heading for each impact or mitigation measure reflects whether that impact is the same, revised,replaced, or new.