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Draft Environmental Impact Report Page IV.B-16 <br /> Forward Inc. Landfill Expansion <br /> 4 Planned Roadway Improvements <br /> By year 2035 Austin Road is planned to be widened to two lanes in each direction between <br /> FMariposa Road and some point between Arch Road and French Camp Road. The intersection <br /> of Austin Road and French Camp Road is expected to have the same lane designations (one <br /> approach lane in each direction)and control (four-way stop) as it does now. Arch Road would <br /> P have two eastbound left turn lanes at its intersection with Austin Road, and the intersection of <br /> Austin Road with Arch Road is expected to have a traffic signal. These improvements were <br /> assumed in the analysis of cumulative development conditions, and the resulting lane <br /> r+ configurations are shown in Figure IV.B-6. <br /> Intersection Operations-- CumuIative Conditions Without the Proposed Project <br /> Intersection operations during the AM and PM peak hours at the study intersections under <br /> cumulative (no project) conditions were analyzed for this traffic study. Peak hour traffic <br /> volumes that would occur at these intersections are shown in Figure IV.B-6, and levels of <br /> " service are presented in Table IV.B-10. Detailed intersection operation calculations are <br /> presented in Appendix C. <br /> ` Under cumulative (no project) conditions, all study intersections would operate at acceptable <br /> t LOS (i.e., A, B, C, or D) during the peak hours,with the exception of Austin Road and Arch <br /> Road,which would operate at unacceptable LOS F during the PM peak hour. <br /> Table IV.B-10 <br /> 2035 CUMULATIVE CONDITIONS WITHOUT THE PROPOSED PROJECT <br /> F. PEAK HOUR INTERSECTION OPERATIONS <br /> a 2035 Cumulative, No Project Conditions <br /> ' <br /> Weekday AM Peak Hour Weekday PM Peak Hour <br /> Intersection Control LOS Delay LOS Delay <br /> (in seconds) (in seconds) <br /> 1. Austin <br /> d./Mariposa Rd. Signal D 36.2 D 51.9 <br /> Austin <br /> d./Arch Rd. Signal B 15.9 F 115.0 <br /> ti <br /> . Austin Rd./ Minor By App B (EB) App Del=12.5 By App C(EB) App Del=15.1 <br /> Forward driveway Stop Overall =B Avg Del = 1.1 Overall=C Avg Del= 0.4 <br /> All- <br /> . Austin Rd./ Way C 22.0 C 24.5 <br /> Tench Camp Rd. Stop <br /> F. <br /> Notes: <br /> Level of Service based on worst approach delay for two-way stop controlled intersections and <br /> average delay for all-way stop-controlled and Signalized intersections. <br /> Minor Stop=Stop sign-controlled. Only the minor street stops. <br /> App=Approach,Avg=Average <br /> 1 <br />