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RAMPS AND RAMP JUNCTIONS WORKSHEET Page 1 of 1 <br />RAMPS AND RAMP JUNCTIONS WORKSHEET <br />General Information Site Information <br />Analyst <br />SBM Freeway/Dir of Travel 1-405 NB On Direct <br />Agency or Company <br />Junction <br />BRISTOL STREET <br />Date Performed <br />11/5/2018 Jurisdiction <br />CALTRANS <br />Analysis Time Period <br />PM PEAK Analysis Year <br />Project Description 2018 IBC TRAFFIC STUDY UPDATE <br />Inputs <br />Upstream Adj Ramp <br />Freeway Number of Lanes, N 5 <br />Downstream Adj <br />Ramp Number of Lanes, N 1 <br />Ramp <br />❑ Yes ❑ On <br />Acceleration Lane Lengtn, LA <br />El Yes El on <br />Deceleration Lane Length Lo <br />❑No ❑Off <br />Freeway Volume, VF <br />El No El off <br />Lup = ft <br />7213 <br />721 <br />Ramp Volume, VR <br />Freeway Free -Flow Speed, SFF 1430 <br />down = ft <br />V„ = veh/h <br />Ramp Free -Flow Speed, SFR 70.0 <br />VD = veh/h <br />35.0 <br />Conversion to c/h Under Base Conditions <br />(pc/h) <br />(Veh/hr) <br />PHF <br />Terrain <br />%Truck <br />%Rv <br />fHV <br />fp <br />v= V/PHF x fHvx fp <br />Freeway <br />7213 <br />0.90 <br />Level <br />0 <br />0 <br />1.000 <br />1.00 <br />8014 <br />Ramp <br />1430 <br />0.90 <br />Level <br />0 <br />0 <br />1.000 <br />1.00 <br />1589 <br />U Stream <br />DownStream <br />Merge Areas <br />Diverge Areas <br />Estimation of V12 <br />Estimation of V12 <br />v12=VF(PFM) <br />V12=VR+(V -V )P <br />LEQ= <br />(Equation 13-6 or 13-7) <br />F R FD <br />LEQ= (Equation 13-12 or 13-13) <br />PFM = <br />using Equation (Exhibit 13-6) <br />PFD = 0.436 using Equation (Exhibit 13-7) <br />12 = <br />pc/h <br />12 = 3692 pc/h <br />3 or Vav34 <br />pc/h (Equation 13-14 or 13-17) <br />V3 or Vav34 1360 pc/h (Equation 13-14 or 13-17) <br />Is V3 or Vav34 > 2,700 pc/h? ❑ Yes ❑ No <br />Is V3 or Vav34 > 2,700 pc/h? ❑ Yes ❑ No <br />Is V3 or Vav34 > 1.5 * V12/2 <br />❑ Yes ❑ No <br />Is V3 or Vav34 > 1.5 * V12/2 ❑ Yes ❑ No <br />It res,v12a = <br />pc/h (Equation 13-16, 13-18, or <br />If Yes,V12a pc/h (Equation 13-16, 13-18, or 13- <br />13-19) <br />19) <br />Capacitv Checks <br />ICapacitv Checks <br />Actual <br />Capacit <br />LOS F? <br />Actual <br />Cap city <br />LOS F? <br />VFO <br />Exhibit 13-8 <br />VF <br />6412 <br />Exhibit 13-8 <br />9600 <br />No <br />VFO = VF - VR <br />4823 <br />Exhibit 13-8 <br />9600 <br />No <br />R <br />1589 <br />Exhibit 13-10 <br />2000 <br />No <br />Flow Entering Merge Influence <br />Area <br />Flow Entering Diverge Influence Area <br />Actual I <br />Max Desirable <br />Violation? <br />I Actual <br />Max Desirable <br />I Violation? <br />VR12 <br />Exhibit 13-8 <br />V12 <br />1 3692 <br />Exhibit 13-8 <br />1 4400:AII <br />I No <br />Level of Service Determination if not F <br />Level of Service Determination if not F <br />DR = 5.475 + 0.00734 v R + 0.0078 V12- 0.00627 LA <br />DR = 4.252 + 0.0086 V12 - 0.009 LID <br />DR = (pc/mi/In) <br />DR = 31.5 (pc/mi/In) <br />LOS = (Exhibit 13-2) <br />LOS = D (Exhibit 13-2) <br />Speed Determination <br />Seed Determination <br />Ms = (Exibit 13-11) <br />Ds = 0.571 (Exhibit 13-12) <br />SR mph (Exhibit 13-11) <br />SR 54.0 mph (Exhibit 13-12) <br />So= mph (Exhibit 13-11) <br />So 75.4 mph (Exhibit 13-12) <br />S = mph (Exhibit 13-13) <br />S = 61.4 mph (Exhibit 13-13) <br />Copyright © 2016 University of Florida, All Rights Reserved HCS2010TM Version 6.90 Generated: 11/5/2018 11:23 AM <br />file:///C:/Users/smak/AppData/Local/Temp/r2k92F9.tmp 11/5/2018 <br />