NCHRP Report 616: Multimodal Level of Service Analysis for Urban Streets
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NCHRP Report 616:
Multimodal Level of Service Analysis for Urban Streets
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TRB's National Cooperative Highway Research Program (NCHRP) Report 616: Multimodal Level of Service Analysis for Urban Streets explores a method for assessing how well an urban street serves the needs of all of its users. The method for evaluating the multimodal level of service (MMLOS) estimates the auto, bus, bicycle, and pedestrian level of service on an urban street using a combination of readily available data and data normally gathered by an agency to assess auto and transit level of service. The MMLOS user's guide was published as NCHRP Web-Only Document 128.


In the printed version of the report, equations 36 (pedestrian segment LOS) and 37 (pedestrian LOS for signalized intersections) on page 88 have been revised and are available online. The equations in the electronic (dpf) version of the report are correct.

In June 2010, TRB released NCHRP Web-Only Document 158: Field Test Results of the Multimodal Level of Service Analysis for Urban Streets (MMLOS) that explores the result of a field test of the MMLOS in 10 metropolitan areas in the United States.


Publication Info

122 pages | 8.5 x 11

Table of Contents

skim chapter
Front Matter i-xi
Summary 1-2
1.2 The Research Plan 3-3
1.3 This Report 4-4
Highway Capacity Manual 5-5
Transit Capacity and Quality of Service Manual 6-8
Florida Quality/Level of Service Handbook 9-10
Highway Capacity Manual 11-12
Transit TCQSM Critique 13-13
Florida DOT Q/LOS Handbook 14-14
The Major Level of Service Manuals 15-15
Implications for Research Project 16-16
Urban Street LOS 17-17
Intersection LOS Research 18-20
Rural Road Research 21-21
A Handbook for Measuring Customer Satisfaction 22-22
3.3 Bicyclist Perceptions of LOS 23-23
Segment LOS Models Based on Field Surveys or Video Lab 24-25
Models of Rural Road Bicycle LOS 26-26
Intersection Crossing LOS Studies 27-27
Sidewalk and Path LOS Studies 28-28
Midblock Crossing LOS Studies 29-29
3.5 Multimodal LOS Research 30-31
4.1 Selection of QOS Survey Method 32-34
Auto Video Clips 35-35
Bicycle Video Clips 36-37
Pedestrian Video Clips 38-41
Development of Master DVDs 42-45
Selection of Video Lab Cities 46-46
Recruitment 47-49
Video Lab Sessions 50-50
4.5 Effects of Demographics on LOS 51-51
Effects of Demographics on Auto LOS Ratings 52-52
Effects of Demographics on Pedestrian LOS Ratings 53-53
Field Data Collection 54-54
Survey Form Development 55-56
Survey Distribution 57-57
Route Characteristics 58-59
4.7 Representation of Survey Results By A Single LOS Grade 60-61
Linear Regression Tests 62-63
Limitations of Linear Regression Modeling 64-64
Performance of Candidates 65-68
5.2 Recommended Auto LOS Model 69-70
5.3 Performance of Auto LOS Models 71-71
Selection of Explanatory Variables for LOS 72-73
Elasticity Concept 74-76
Reliability 77-77
6.2 Recommended Transit LOS Model 78-78
Estimation of the Transit Wait Ride Score 79-80
6.3 Performance of Transit LOS Model 81-81
7.2 Recommended Bicycle LOS Model 82-82
Bicycle Intersection LOS 83-83
7.3 Performance of Bicycle LOS Model on Video Clips 84-85
8.1 Model Development 86-86
Pedestrian Other LOS Model 87-87
Pedestrian Midblock Crossing Factor 88-90
8.3 Performance Evaluation of Pedestrian LOS Model 91-91
Input Variable Interactions Among Modes 92-94
Interactions Among Modal LOS Results 95-95
Chapter 10 - Accomplishment of Research Objectives 96-97
References 98-101
Appendix A - Subject Data Collection Forms 102-104
Appendix B - Study Protocol 105-109
Appendix C - Example Recruitment Flyer/Poster 110-110
Abbreviations used without definitions in TRB publications 111-111

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