Multimodal Level of Service Analysis for Urban Streets: Users Guide (2008)

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Multimodal Level of Service for Urban Streets CONTENTS Page I. INTRODUCTION 1 Organization.................................................................................................. 1 Scope And Limitations................................................................................... 1 Analysis Tool Alternatives.............................................................................. 2 Quality of Service and Good Planning/Design Practice .................................. 2 Terminology .................................................................................................. 3 II. METHODOLOGY 5 Multimodal Level of Service Analysis Framework........................................... 5 Division of Street Into Analysis Segments................................................ 6 Auto Level Of Service.............................................................................. 6 Transit Level of Service ........................................................................... 9 Bicycle Level of Service .......................................................................... 15 Pedestrian LOS....................................................................................... 17 Estimation of Auto Performance Measures (Speed, Delay, Stops, Queue)..... 25 Auto Speed............................................................................................. 25 Auto Delay .............................................................................................. 26 Auto Stops .............................................................................................. 26 Estimation of Transit Performance Measures (Speed, Delay)......................... 26 III. APPLICATIONS 27 Step 1 – Select Analysis Method ................................................................... 28 Step 2 – Segment The Facility....................................................................... 28 Step 3 – Gather Data..................................................................................... 29 Step 4 – Measure or Forecast Auto Performance........................................... 29 Step 5 – Compute Auto LOS ......................................................................... 29 Step 6 – Measure or Forecast Pedestrian Performance ................................. 31 Step 7 – Compute Pedestrian LOS................................................................ 31 Step 8 – Measure or Forecast Transit Performance....................................... 32 Step 9 – Compute Transit LOS...................................................................... 33 Step 10 – Measure or Forecast Bicycle Performance..................................... 33 Step 11 – Compute Bicycle LOS.................................................................... 33 IV. ACCURACY AND SENSITIVITIES 34 Multimodal LOS Method ................................................................................ 34 Field Measurement of LOS versus Estimation using HCM ....................... 34 Implications of Using Default Values for Selected Inputs.......................... 34 V. FACILITY PLANNING/DESIGN AIDS 35 VI. EXAMPLE PROBLEMS 40 Example Problem 1 – Determine LOS Of Street ............................................ 40 Example Problem 2 – Determine LOS Impacts of Converting from 4-Lane to 3-Lane Cross-Section ..................................................................................................................... 48 VIII. REFERENCES 55