A GIS Approach to Pedestrian Level of Service Natalia Domarad 14th TRB Transportation Planning...
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![Page 1: A GIS Approach to Pedestrian Level of Service Natalia Domarad 14th TRB Transportation Planning Applications Conference Columbus, Ohio May 5-9, 2013.](https://reader036.fdocuments.net/reader036/viewer/2022062320/56649d1e5503460f949f209e/html5/thumbnails/1.jpg)
A GIS Approach to Pedestrian Level of
ServiceNatalia Domarad
14th TRB Transportation Planning Applications Conference
Columbus, OhioMay 5-9, 2013
![Page 2: A GIS Approach to Pedestrian Level of Service Natalia Domarad 14th TRB Transportation Planning Applications Conference Columbus, Ohio May 5-9, 2013.](https://reader036.fdocuments.net/reader036/viewer/2022062320/56649d1e5503460f949f209e/html5/thumbnails/2.jpg)
Presentati on Overview
PLOS Background GIS Approach Methodology Benefits
![Page 3: A GIS Approach to Pedestrian Level of Service Natalia Domarad 14th TRB Transportation Planning Applications Conference Columbus, Ohio May 5-9, 2013.](https://reader036.fdocuments.net/reader036/viewer/2022062320/56649d1e5503460f949f209e/html5/thumbnails/3.jpg)
Pedestrian LOS
Evaluates performance of a pedestrian facility
Benefits of HCM 2010 methodology: Traveler’s perspective Consistent systematic evaluation Identify system deficiencies Simple results Different scales
Intr
oduc
tion
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PLOS Methodology
Complex Many input variables Computationally intensive
Intr
oduc
tion
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GIS Approach
Data can be easily modified and updated
Workflow visualization Automation Field measurements from your
desk Geodatabase and tools
Intr
oduc
tion
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PLOS Organizati on
ModelBuilder Workflow visualization Testing workflow Track analysis steps
Met
hodo
logy
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Input Variables
Signal timings Traffic and pedestrian counts Measurements Site characteristics
Met
hodo
logy
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Measurements & Site Characteristi cs
Met
hodo
logy
Aerial Photo
Aerial Oblique Imagery Copyright ©2011 Pictometry International Corp.
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Assumpti ons
Most conservative scenario Measurements & site
characteristics PM peak hour
Mid block pedestrian volumes
Met
hodo
logy
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PLOS Geodatabase
Intersections and segments
Traffic count table Relational Tools
Met
hodo
logy
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Calculati ng PLOS
Python script tool Fast processing Automation
Error checking Documentation
Met
hodo
logy
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PLOS Output
Crosswalk Average pedestrian space Link Segment Display LOS
Met
hodo
logy
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Mapping
Spatial overview of data Visualize problem locations Technical/non-technical audiences
Bene
fits
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Geodatabase
Bene
fits
Allows repetition and modification
Store records of historical PLOS
All data and tools in one location
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Summary
User friendly Maintains HCM 2010 level of detail Eliminates additional field data
collection Next steps:
Incorporate MMLOS
Conc
lusi
on