Bicycle Network Connectivity Project for SRP Service Area
- 1. Sustainability Solutions Services sustainabilitysolutions.asu.edu Bicycle Network Connectivity Project for SRP Service Area A comprehensive report prepared for: July 2014 Michael Kuby and Aaron Golub, Principal Investigators ASU School of Geographical Sciences and Urban Planning
- 2. 2! ! This!report!was!prepared!by! Dr.!Michael!Kuby!and!Dr.!Aaron!Golub,!Principal!Investigators! Shawn!Monk!and!Matthew!Messina,!Research!Assistants! School!of!Geographical!Sciences!and!Urban!Planning! ! Michael!Dalrymple,!Practice!Lead! Andrew!Stein,!Solutions!Assistant! Walton!Sustainability!Solutions!Initiatives!Global!Sustainability!Solutions!Services! ! The!authors!of!this!report!are!solely!responsible!for!the!findings.! No!endorsement!of!this!work!by!SRP!or!any!other!organization!is!implied.! ! TABLE'OF'CONTENTS! 1.! INTRODUCTION!.....................................................................................................................................!7! 2.! BICYCLE!NETWORK!ANALYSIS:!METHODS!...................................................................................................!9! 2.1.! Route)Directness)Index)(RDI))......................................................................................................)9! 2.2.! Impedance)................................................................................................................................)10! 2.3.! GIS)Calculation)of)RDI)...............................................................................................................)11! 2.4.! Overall)Research)Design)...........................................................................................................)12! 2.5.! Strengths)and)Limitations)of)RDI)Analysis)................................................................................)12! 3.! DATA!.................................................................................................................................................!15! 3.1.! GIS)Layers).................................................................................................................................)15! 3.2.! Network)....................................................................................................................................)15! 3.3.! Existing)(Base))Network)............................................................................................................)16! 3.4.! Origin)Polygons)........................................................................................................................)18! 3.5.! Destination)Points)....................................................................................................................)18! 3.6.! Impedances)..............................................................................................................................)20! 3.6.1.! Arc)Impedances).....................................................................................................................)20! 3.6.2.! Crossings)Impedances)...........................................................................................................)22! 4.! NETWORK!CONNECTIVITY!RESULTS!.........................................................................................................!25! 4.1.! Base)Connectivity).....................................................................................................................)25! 4.2.! Effect)of)Improvements)Proposed)in)Four)Central)and)East)Valley)Cities).................................)27! 4.3.! Student)Ideas)for)Improved)Connectivity)to)Light)Rail)Stations)................................................)31! 5.! SALT!RIVER!PROJECT!CONNECTIVITY!ANALYSIS!..........................................................................................!34! 5.1.! Connectivity)To)SRP)Offices)......................................................................................................)34! 5.2.! Connectivity)To)and)Among)SRP)Offices)...................................................................................)38! 5.3.! Connectivity)to)SRP)Canals).......................................................................................................)40! 6.! CONCLUSIONS!.....................................................................................................................................!43! 6.1.! Key)Findings)..............................................................................................................................)43! 6.2.! Strengths)and)Limitations)of)the)Analysis)................................................................................)44! 6.3.! Future)Work).............................................................................................................................)45! ! '