mapping pedestrian connectivity gaps in atlanta
TRANSCRIPT
Mapping Pedestrian Connectivity Gaps in Atlanta
Carly QueenMaster’s Degree Candidate, Civil Engineering / City & Regional Planning
Georgia Institute of TechnologyAtlanta Studies Symposium
May 6, 2015
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Agenda
• Defining Pedestrian Connectivity Gaps• Data Sources and Assumptions• Identifying and Mapping Gaps• “Gap Analysis”• Findings and Results• Recommendations• Future Research
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What Are Pedestrian Barriers?• Interstates / Expressways / Freeways• Railroad and MARTA Lines• Rivers / Lakes / Streams• Large Buildings / Industrial Sites• Sprawling Areas with No Through Connectivity
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Data Sources and Assumptions• Data from Atlanta Regional Commission• Population and Employment Density• Rivers, Lakes, Ponds, Streams• Roads, Highways, Railroads, Bike Infrastructure• Parks, Activity Centers, Elevation
• Assumptions• Rail Lines are Barriers• Waterways are Barriers• Interstates are Barriers• Streets Allow Pedestrians
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Methods – Water Crossings
Findings / Results
• More than 500 gaps with area > 10 acres mapped!• Top 25 and Top 10 for Area and Perimeter• Gaps with High Perimeter to Area Ratios• Gaps in and around Activity Centers• Fewest Gaps in Urbanized Areas• Largest Gaps at:• Airport• Interstate Interchanges• Rail Yards• Chattahoochee River
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High Perimeter to Area Ratio Gaps
Midtown and “West” Midtown
Lindbergh Center Area
Cumberland Area
Hartsfield-Jackson Airport
Recommendations / Conclusions• Most of Atlanta is not easily accessed by walking• Plan street network and road design to provide better
connectivity for pedestrians and cyclists• Grid system and complete streets• Active mode networks to accommodate all users• Safe bicycle and pedestrian crossings
• Implement viable solutions to pedestrian barriers• Multi-use paths• Bridges and tunnels• Parks and traversable green spaces• Improved and expanded transit systems
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Future Research
• Refine methodology, automate processes• Incorporate sidewalk network and condition, as
well as tree canopy, fences, etc. into study• More detailed analysis of each gap• Analysis of gaps and passageways as they relate to
traffic congestion and travel patterns• More in-depth analysis of terrain for cliffs and other
physical barriers in the landscape• Investigate and implement solutions as appropriate
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Thank you!
Any questions?
Carly QueenDual Master’s Degree Student
Civil EngineeringCity and Regional Planning
Georgia Institute of [email protected]
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