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Published byAngel MacDonald Modified over 11 years ago
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PEOPLE on the STREETS Kelly McGillivray Peoplecount
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We set out to find… HOW MANY people WALK on streets?
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We wanted to estimate… 24-hour mid-block count 2 sides of the street 2 directions of travel
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Across an ENTIRE city!
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Im going to tell you… HOW we did it WHAT we created WHY its useful
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HOW we did it
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We did field work… 7 cities 560 pedestrian counts 60 km of sidewalk
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FIELD TESTS
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3 COUNT SOURCES: Stationary cameras Mobile camera Manual counts
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Stationary cameras – 18 hour counts
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Mobile camera – 12 hour counts
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Manual counts – 5 min./block/hour
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Chicago Pedestrian Counts
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WHAT we created
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CHALLENGES Economical Universal data sources Apply to ANY city
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VARIABLES Tested Local Census Spatial
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AADT Road Class Transit Stop One Way LOCAL Variables
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CENSUS Variables Population density Employment density Mode Choice
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We created a new variable… Pedestrian Density = Daytime Population X% Non-Drivers
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Chicago Pedestrian Density
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SPATIAL Variables Axial line length Average depth What are spatial variables?
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AXIAL Mapping Draw lines of sight 1 km buffer Analyze with software 13 integration variables
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Sample Axial Map
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AVERAGE DEPTH # steps from one point in system to all other points. A F D B E C A B1 A E1 A D2 A F2 A C3 Avg Depth of A = 9/6 = 1.5
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Manhattan Axial Map Showing Average Depth AAAAAAAAAAAAA
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Manhattan Estimated Pedestrian Volumes
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Pedestrian Model Accuracy
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WHY its useful
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USES FOR PED MODEL? PLANNING cheap counts ped LOS ped signals ped crossings accident rates COMMERCIAL location analysis retail real estate outdoor ads BIAs
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LIMITATIONS Granularity – 1 to 5 blocks Anomalies – tourist areas Seasonality – not adjusted
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WHATS NEXT?
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Pedestrian Paths Modelled Now
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Neighbourhood Level Detail
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Get to know YOUR PEOPLE on the STREET
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Thank you. Kelly McGillivray, P.Eng. President & Chief Methodologist kelly@peoplecount.biz
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