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In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements, and how these can be represented by mathematical models.

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Page 1: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements, and how these can be represented by mathematical models.

Page 2: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

Walking access as utility: Latest advances in

walkway network modeling and analysis

Ellen Vanderslice and J. Scott Parker

Oregon Walks

Portland, Oregon, USA

Page 3: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

PART ONE: Initial concepts

• Walking access

• The walkway network

• Walkway network models

• Walkway network analysis

PART TWO: Workshop topic

• Assigning impedance to the model

Page 4: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

IMPEDANCE

• Cost weight

• Friction

• Effective distance

Page 5: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

PART ONE: Initial concepts

• Walking access

• The walkway network

• Walkway network models

• Walkway network analysis

Page 6: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

Walking access

Page 7: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

Walking access means providing walkway facilities

that get people where they want to go

Page 8: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

Walking access

In the utility model we assume 100% demand for walking access

from every dwelling

Page 9: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

The walkway network

Page 10: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

= THE WALKWAY NETWORK

Sidewalk corridors

Shortcuts, paths and trails+

Crosswalks+

Page 11: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

Walkway network models

Page 12: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

Typical street intersectionin the street network

Typical street intersectionin the walkway network

Page 13: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

Walkway network analysis

Page 14: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,
Page 15: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

Walkway Network Analysis Tool Sets

• Centerline preparation

• Walkway network generation

• Impedance calculation

• Project Definition

• Analysis

• Visualization

Page 16: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

• node ID error fixer • bridge/tunnel fixer • segment splitter • traffic control assigner • mobile app for field data collection for curb ramps

Centerline Preparation Tools

Page 17: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

Um,

Page 18: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

City of Tigard Street/trail centerline

Page 19: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

Walkway Network Generation Tools

• Walkway generator

• Walkway segment remover

• Corner mover

Page 20: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

Close up, City of Tigard walkway centerline

Page 21: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

• Impedance calculator

Page 22: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

Attributes for impedance calculation

Page 23: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

Dwellings and destinationsCity of Tigard

Page 24: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

• Traversal generator• Access index generator

Analysis Tool Visualization Tools• Walkshed calculator• Slope-shading to highlight barriers• Table of summary data• Access index symbolizer

Page 25: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

Poster courtesy Metro

Page 26: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

Half-mile walkshed

Page 27: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

Half a mile from Powell/59th as the crow flies:

Page 28: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

Half a mile from Powell/59th comparing crow-fly access with distance-weighted access

Page 29: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

Half a mile from Powell/59th comparing crow-fly access and distance-weighted access

with traffic-weighted access

Page 30: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

Distance-weighted vs. Traffic-weighted

Page 31: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,
Page 32: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,
Page 33: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,
Page 34: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

ACCESS INDEX – by node

Page 35: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

Access index isolines

Page 36: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

Slope-shading to highlight barriers

Page 37: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,
Page 38: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

Project Definition Tool

• Project editor

Page 39: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

Project 1:Bridge over creek

Page 40: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

Results

Page 41: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

Access index summary chart

Page 42: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,
Page 43: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,
Page 44: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

PART TWO: Workshop topic

• Assigning impedance to the model

Page 45: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

• Impedance calculator

Page 46: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

Uncontrolled crosswalk

Page 47: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,
Page 48: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,
Page 49: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,
Page 50: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

Uncontrolled crosswalk

Page 51: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

Would you walk west to this pedestrian bridge?

Page 52: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

Would you walk east to this marked crosswalk with a median refuge?

Page 53: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,
Page 54: In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements,

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