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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 />Freeway/Dir of Travel <br />Junction <br />Jurisdiction <br />Analysis Year <br />Analyst SBM I-405 NB On Direct <br />BRISTOL STREET <br />CALTRANS <br />Agency or Company <br />Date Performed <br />Analysis Time Period <br />11/5/2018 <br />PM PEAK <br />Project Description 2018 IBC TRAFFIC STUDY UPDATE <br />Inputs <br />Freeway Number of Lanes, N 5 <br />1 <br />Upstream Adj Ramp Downstream Adj <br />RampRamp Number of Lanes, N <br />Yes <br />No <br />On <br />Off <br />Acceleration Lane Length, LADeceleration Lane Length LD <br />Freeway Volume, VF <br />Ramp Volume, VRFreeway Free-Flow Speed, SFF <br />Ramp Free-Flow Speed, SFR <br />Yes <br />No <br />On <br />Off500 <br />7213 <br />1430 <br />70.0 <br />35.0 <br />Ldown =ft <br />veh/h <br />Lup =ft <br />veh/h VD =Vu = <br />Conversion to pc/h Under Base Conditions <br />V(pc/h)PHF Terrain %Truck %Rv fHV fp v = V/PHF x fHV x fp(Veh/hr) <br />Freeway 7213 0.90 <br />0.90 <br />Level <br />Level <br />0 <br />0 <br />0 <br />0 <br />1.000 <br />1.000 <br />1.00 <br />1.00 <br />8014 <br />1589Ramp1430 <br />UpStream <br />DownStream <br />Merge Areas Diverge Areas <br />Estimation of v12 Estimation of v12 <br />V12 = VF ( PFM )V12 = VR + (V - V )P <br />F R FDLEQ <br />PFM <br />V12 <br />= <br />= <br />= <br />(Equation 13-6 or 13-7) <br />using Equation (Exhibit 13-6) <br />pc/h <br />LEQ <br />PFD <br />V12 <br />= <br />= <br />= <br />(Equation 13-12 or 13-13) <br />0.436 using Equation (Exhibit 13-7) <br />3692 pc/h <br />V3 or Vav34 pc/h (Equation 13-14 or 13-17)V3 or Vav34 1360 pc/h (Equation 13-14 or 13-17) <br />Is V3 or Vav34 > 2,700 pc/h? <br />Is V3 or Vav34 > 1.5 * V12/2 <br />Is V3 or Vav34 > 2,700 pc/h? <br />Is V3 or Vav34 > 1.5 * V12/2 <br />Yes <br />Yes <br />No <br />No <br />Yes <br />Yes <br />No <br />No <br />pc/h (Equation 13-16, 13-18, or <br />13-19) <br />pc/h (Equation 13-16, 13-18, or 13- <br />19) <br />If Yes,V12a =If Yes,V12a <br />=Capacity Checks Capacity Checks <br />Actual Capacity LOS F?Actual Capacity <br />Exhibit 13-8 <br />LOS F? <br />NoVF <br />VFO = VF - VR <br />VR <br />6412 <br />4823 <br />1589 <br />9600 <br />9600 <br />2000 <br />VFO Exhibit 13-8 Exhibit 13-8 No <br />NoExhibit 13-10 <br />Flow Entering Merge Influence Area Flow Entering Diverge Influence Area <br />Actual Max Desirable Violation?Actual Max Desirable Violation? <br />NoVR12Exhibit 13-8 V12 3692 Exhibit 13-8 4400:All <br />Level of Service Determination (if not F)Level of Service Determination (if not F) <br />DR = 5.475 + 0.00734 v R + 0.0078 V12 - 0.00627 LA DR = 4.252 + 0.0086 V12 - 0.009 LD <br />D =(pc/mi/ln)D =31.5 (pc/mi/ln)R R <br />LOS = (Exhibit 13-2)LOS = D (Exhibit 13-2) <br />Speed Determination Speed Determination <br />Ds = <br />S = <br />0.571 (Exhibit 13-12)MS = <br />S = <br />(Exibit 13-11) <br />54.0 mph (Exhibit 13-12) <br />75.4 mph (Exhibit 13-12) <br />61.4 mph (Exhibit 13-13) <br />mph (Exhibit 13-11)RR <br />S =S =mph (Exhibit 13-11) <br />mph (Exhibit 13-13) <br />00 <br />S =S = <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 />  <br />  <br />City Council 21 – 116 4/16/2024