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r Two-Way Page 1 of 2 <br /> TWO-WAY TWO-LANE HIGHWAY SEGMENT WORKSHEET <br /> General Information Site Information <br /> Analyst Peter Costa Highway McHenry Rd <br /> Agency or Company ESA From/To Meyers Rd to Jones Rd <br /> 1 Date Performed 3117/2011 Jurisdiction San Joaquin County <br /> Analysis Time Period 9:00 PM-10:00 PM Analysis Year 2011 <br /> �- Project Description: 211086-Munn&Perkins Quarry Project <br /> Input Data <br /> Class I highway � Class II highway <br /> ShnukUrmidth sft.. Terrain F Level r Rolling <br /> tane v,idth at Two-way hourly volume 288 veh/h <br /> Directional split 69132 <br /> =i Ctme vridih __ At Peak-hour factor,PHF 0.85 <br /> t No-passing zone 19 <br /> — — — - — Shu+v{ionhAiroit; %Trucks and Buses,PT 3% <br /> Segment f0ngth.tq mt %Recreational vehicles,PR 0% <br /> Access points!mi 2 <br /> Average Travel Speed <br /> Grade adjustment factor,fG(Exhibit 20-7) 1.00 <br /> I <br /> Passenger-car equivalents for trucks,ET(Exhibit 20-9) 1.0 <br /> t <br /> Passenger-car equivalents for RVs,ER(Exhibit 20-9) 1.0 <br /> Heavy-vehicle adjustment factor,fHv=11(1+PT(Eri)+PR(ER 1)) 1.000 <br /> 1 Two-way flow rater,v (pc/h)=Vl(PHF*f6*fHv) 339 <br /> v *highest directional split proportion2(pclh) 231 <br /> r} Free-Flow Speed from Field Measurement Estimated Free-Flow Speed <br /> t Base iree-flow speed,BFFSFM 55.0 mi/h <br /> ' Field Measured speed,SFM mi/h Adj.for lane width and shoulder width3,f`5(Exhibit 1.3 mi/h <br /> Observed volume,Vt veh/h 20-5) <br /> Free-flow speed,FFS FFS=SFM+0.00776(Vd fHv) mi/h Adj.for access points,fp(Exhibit 20-6) 0.5 milh <br /> Free-flaw speed,FFS (FSS=BFFS-fps fA) 53.2 mi/h <br /> Adj,for no-passing zones,fnp(mi/h)(Exhibit 20-11) 1.3 <br /> Average travel speed,ATS(mi/h)ATS=FFS-0.00776vp-fnp 49.3 <br /> Percent Time-Spent-Following <br /> 4 Grade Adjustment factor,fG(Exhibit 20-8) 1.00 <br /> Passenger-car equivalents for trucks,ET(Exhibit 20-10) 1.0 <br /> Passenger-car equivalents for RVs,ER(Exhibit 20-10) 1.0 <br /> w Heavy-vehicle adjustment factor,fHv=1/(1+PT(ET 1)+PR(ER-1)) 1.000 <br /> Two-way flow rate!,vp(pc/h)=V!(PHF*fG*fHv) 339 <br /> I f v *highest directional split proportion2(pclh) 231 <br /> ��� Base percent time-spent-iollowing,BPTSF(%)=100(1-e 0.000879vp) 25.8 <br /> Adj.for directional distribution and no-passing zone,fdmp(%)(Exh-20-12) 12.0 ' <br /> �f <br /> Percent time-spent-following,PTSF(%)=BPTSF+f drnp 37.8 <br /> fftrr--t Level of Service and Other Performance Measures <br /> Level of service,LOS(Exhibit 20-3 for Class I or 20-4 for Class 11) C <br /> Volume to capacity ratio,v/c=Vp!3,200 0.11 <br /> Peak 15-min veh-miles of travel,VMT,S(veh-mr)=0.25Lt(V/PHF) 25 <br /> I <br /> file://C:1Documents and Settin sl mclLocal Settin s1Tem 1s2k21D-tm 3/21/2011 <br /> g P g P P <br />